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agate - polished slice from an agate-filled geode from Brazil
agate - polished slice from an agate-filled geode from Brazil
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$ 7.50
agate - polished slice from an agate-filled geode from Brazil
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agate - polished slice from an agate-filled geode from Brazil

$ 7.50

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amethyst - crystal clusters - set of five student specimens from Brazil
amethyst - crystal clusters - set of five student specimens from Brazil
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$ 12.50
amethyst - crystal clusters - set of five student specimens from Brazil
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amethyst - crystal clusters - set of five student specimens from Brazil

$ 12.50

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aragonite - "cave calcite" - El Potosi Mine, Santa Eulalia Mining District, Chihuahua - display specimen 2 left
aragonite - "cave calcite" - El Potosi Mine, Santa Eulalia Mining District, Chihuahua - display specimen
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$ 50.00
aragonite - "cave calcite" - El Potosi Mine, Santa Eulalia Mining District, Chihuahua - display specimen
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2 left

aragonite - "cave calcite" - El Potosi Mine, Santa Eulalia Mining District, Chihuahua - display specimen

$ 50.00

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aragonite - "cave calcite" - El Potosi Mine, Santa Eulalia Mining District, Chihuahua - hand/display specimen 1 left
aragonite - "cave calcite" - El Potosi Mine, Santa Eulalia Mining District, Chihuahua - hand/display specimen
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$ 20.00
aragonite - "cave calcite" - El Potosi Mine, Santa Eulalia Mining District, Chihuahua - hand/display specimen
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1 left

aragonite - "cave calcite" - El Potosi Mine, Santa Eulalia Mining District, Chihuahua - hand/display specimen

$ 20.00

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aragonite - "cave calcite" from the Potosi Mine, Santa Eulalia, Chihuahua - hand specimen 1 left
aragonite - "cave calcite" from the Potosi Mine, Santa Eulalia, Chihuahua - hand specimen
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$ 12.50
aragonite - "cave calcite" from the Potosi Mine, Santa Eulalia, Chihuahua - hand specimen
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1 left

aragonite - "cave calcite" from the Potosi Mine, Santa Eulalia, Chihuahua - hand specimen

$ 12.50

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aragonite crystal cluster - hand/display specimen from the Fès-Meknès region of Morocco
aragonite crystal cluster - hand/display specimen from the Fès-Meknès region of Morocco
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$ 12.50
aragonite crystal cluster - hand/display specimen from the Fès-Meknès region of Morocco
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aragonite crystal cluster - hand/display specimen from the Fès-Meknès region of Morocco

$ 12.50

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barite rose - teaching set of barite roses from the Garber Sandstone near Noble, east of Norman, Oklahoma
barite rose - teaching set of barite roses from the Garber Sandstone near Noble, east of Norman, Oklahoma
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$ 7.50
barite rose - teaching set of barite roses from the Garber Sandstone near Noble, east of Norman, Oklahoma
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barite rose - teaching set of barite roses from the Garber Sandstone near Noble, east of Norman, Oklahoma

$ 7.50

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biotite - hand specimen from a pegmatite near Cardiff, Ontario 2 left
biotite - hand specimen from a pegmatite near Cardiff, Ontario
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$ 9.50
biotite - hand specimen from a pegmatite near Cardiff, Ontario
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biotite - hand specimen from a pegmatite near Cardiff, Ontario

$ 9.50

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biotite mica - teaching student specimens collected from a pegmatite at Cardiff, Ontario - Unit of 5 specimens Sold Out
biotite mica - teaching student specimens collected from a pegmatite at Cardiff, Ontario - Unit of 5 specimens
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$ 5.50
biotite mica - teaching student specimens collected from a pegmatite at Cardiff, Ontario - Unit of 5 specimens
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biotite mica - teaching student specimens collected from a pegmatite at Cardiff, Ontario - Unit of 5 specimens

$ 5.50

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calcite - calcite cleavage rhomb from China
calcite - calcite cleavage rhomb from China
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$ 7.50
calcite - calcite cleavage rhomb from China
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calcite - calcite cleavage rhomb from China

$ 7.50

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calcite - teaching hand specimen of naturally-brown calcite Sold Out
calcite - teaching hand specimen of naturally-brown calcite
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$ 7.50
calcite - teaching hand specimen of naturally-brown calcite
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calcite - teaching hand specimen of naturally-brown calcite

$ 7.50

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calcite - teaching student specimens of naturally brown calcite - UNIT OF 5 SPECIMENS 4 left
calcite - teaching student specimens of naturally brown calcite - UNIT OF 5 SPECIMENS
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$ 4.20
calcite - teaching student specimens of naturally brown calcite - UNIT OF 5 SPECIMENS
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4 left

calcite - teaching student specimens of naturally brown calcite - UNIT OF 5 SPECIMENS

$ 4.20

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chalcopyrite - teaching student specimens from a mineralized vein - Unit of 10 smaller specimens Sold Out
chalcopyrite - teaching student specimens from a mineralized vein - Unit of 10 smaller specimens
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$ 12.50
chalcopyrite - teaching student specimens from a mineralized vein - Unit of 10 smaller specimens
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chalcopyrite - teaching student specimens from a mineralized vein - Unit of 10 smaller specimens

$ 12.50

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chert - teaching student specimens of banded chert from the Monterey Formation, California - Unit of 5 specimens 4 left
chert - teaching student specimens of banded chert from the Monterey Formation, California - Unit of 5 specimens
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$ 4.20
chert - teaching student specimens of banded chert from the Monterey Formation, California - Unit of 5 specimens
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4 left

chert - teaching student specimens of banded chert from the Monterey Formation, California - Unit of 5 specimens

$ 4.20

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dendrites - hand/display specimen of manganese oxide dendrites
dendrites - hand/display specimen of manganese oxide dendrites
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$ 9.50
dendrites - hand/display specimen of manganese oxide dendrites
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dendrites - hand/display specimen of manganese oxide dendrites

$ 9.50

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dendrites - teaching hand specimen of manganese oxide dendrites
dendrites - teaching hand specimen of manganese oxide dendrites
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$ 7.50
dendrites - teaching hand specimen of manganese oxide dendrites
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dendrites - teaching hand specimen of manganese oxide dendrites

$ 7.50

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fluorite - student specimens of a mineral often associated with metallic ores - massive fluorite - Unit of 5 specimens
fluorite - student specimens of a mineral often associated with metallic ores - massive fluorite - Unit of 5 specimens
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$ 12.50
fluorite - student specimens of a mineral often associated with metallic ores - massive fluorite - Unit of 5 specimens

fluorite - student specimens of a mineral often associated with metallic ores - massive fluorite - Unit of 5 specimens

$ 12.50

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galena - teaching hand specimen of the primary ore of lead 3 left
galena - teaching hand specimen of the primary ore of lead
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$ 7.50
galena - teaching hand specimen of the primary ore of lead
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3 left

galena - teaching hand specimen of the primary ore of lead

$ 7.50

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galena - teaching student specimens of the primary ore of lead - Mibladen Mining District, Morocco - Unit of 5 specimens
galena - teaching student specimens of the primary ore of lead - Mibladen Mining District, Morocco - Unit of 5 specimens
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$ 12.50
galena - teaching student specimens of the primary ore of lead - Mibladen Mining District, Morocco - Unit of 5 specimens

galena - teaching student specimens of the primary ore of lead - Mibladen Mining District, Morocco - Unit of 5 specimens

$ 12.50

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galena - teaching student specimens of the primary ore of lead from the Aouli Mine, Middle Atlas Mountains, Morocco - Unit of 10 smaller specimens 2 left
galena - teaching student specimens of the primary ore of lead from the Aouli Mine, Middle Atlas Mountains, Morocco - Unit of 10 smaller specimens
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$ 12.50
galena - teaching student specimens of the primary ore of lead from the Aouli Mine, Middle Atlas Mountains, Morocco - Unit of 10 smaller specimens
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2 left

galena - teaching student specimens of the primary ore of lead from the Aouli Mine, Middle Atlas Mountains, Morocco - Unit of 10 smaller specimens

$ 12.50

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galena - teaching student specimens of the primary ore of lead with attached matrix - Talsint (?) Morocco - Unit of 5 specimens
galena - teaching student specimens of the primary ore of lead with attached matrix - Talsint (?) Morocco - Unit of 5 specimens
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$ 12.50
galena - teaching student specimens of the primary ore of lead with attached matrix - Talsint (?) Morocco - Unit of 5 specimens

galena - teaching student specimens of the primary ore of lead with attached matrix - Talsint (?) Morocco - Unit of 5 specimens

$ 12.50

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gypsum - sand selenite rose from a dry lake near Oujda, Morocco - hand specimen
gypsum - sand selenite rose from a dry lake near Oujda, Morocco - hand specimen
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$ 9.50
gypsum - sand selenite rose from a dry lake near Oujda, Morocco - hand specimen
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gypsum - sand selenite rose from a dry lake near Oujda, Morocco - hand specimen

$ 9.50

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gypsum - sand selenite rose from a dry lake near Oujda, Morocco - hand/display specimen
gypsum - sand selenite rose from a dry lake near Oujda, Morocco - hand/display specimen
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$ 12.50
gypsum - sand selenite rose from a dry lake near Oujda, Morocco - hand/display specimen
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gypsum - sand selenite rose from a dry lake near Oujda, Morocco - hand/display specimen

$ 12.50

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gypsum - sand selenite rose from a dry lake near Oujda, Morocco - large hand/display specimen
gypsum - sand selenite rose from a dry lake near Oujda, Morocco - large hand/display specimen
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$ 20.00
gypsum - sand selenite rose from a dry lake near Oujda, Morocco - large hand/display specimen
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gypsum - sand selenite rose from a dry lake near Oujda, Morocco - large hand/display specimen

$ 20.00

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hematite - botryoidal hematite from Morocco - teaching hand specimen
hematite - botryoidal hematite from Morocco - teaching hand specimen
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$ 7.50
hematite - botryoidal hematite from Morocco - teaching hand specimen
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hematite - botryoidal hematite from Morocco - teaching hand specimen

$ 7.50

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kaolinite - hard vitreous kaolin - hand/display specimen of the primary constituent of kaolin clay
kaolinite - hard vitreous kaolin - hand/display specimen of the primary constituent of kaolin clay
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$ 9.50
kaolinite - hard vitreous kaolin - hand/display specimen of the primary constituent of kaolin clay
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kaolinite - hard vitreous kaolin - hand/display specimen of the primary constituent of kaolin clay

$ 9.50

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kaolinite - soft white kaolin - hand/display specimen of the primary constituent of kaolin clay 4 left
kaolinite - soft white kaolin - hand/display specimen of the primary constituent of kaolin clay
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$ 9.50
kaolinite - soft white kaolin - hand/display specimen of the primary constituent of kaolin clay
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4 left

kaolinite - soft white kaolin - hand/display specimen of the primary constituent of kaolin clay

$ 9.50

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kaolinite - soft white kaolin - large hand/display specimen of the primary constituent of kaolin clay 4 left
kaolinite - soft white kaolin - large hand/display specimen of the primary constituent of kaolin clay
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$ 12.50
kaolinite - soft white kaolin - large hand/display specimen of the primary constituent of kaolin clay
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4 left

kaolinite - soft white kaolin - large hand/display specimen of the primary constituent of kaolin clay

$ 12.50

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kaolinite - soft white kaolin - teaching hand specimen of the primary constituent of kaolin clay
kaolinite - soft white kaolin - teaching hand specimen of the primary constituent of kaolin clay
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$ 7.50
kaolinite - soft white kaolin - teaching hand specimen of the primary constituent of kaolin clay
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kaolinite - soft white kaolin - teaching hand specimen of the primary constituent of kaolin clay

$ 7.50

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kyanite - black kyanite from São José de Safira, Minas Gerais, Brazil - unit of 5 student specimens Sold Out
kyanite - black kyanite from São José de Safira, Minas Gerais, Brazil - unit of 5 student specimens
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$ 5.80
kyanite - black kyanite from São José de Safira, Minas Gerais, Brazil - unit of 5 student specimens
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kyanite - black kyanite from São José de Safira, Minas Gerais, Brazil - unit of 5 student specimens

$ 5.80

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kyanite - black kyanite in a spray of fine crystals, from São José de Safira, Minas Gerais, Brazil - hand specimen
kyanite - black kyanite in a spray of fine crystals, from São José de Safira, Minas Gerais, Brazil - hand specimen
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$ 9.50
kyanite - black kyanite in a spray of fine crystals, from São José de Safira, Minas Gerais, Brazil - hand specimen
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kyanite - black kyanite in a spray of fine crystals, from São José de Safira, Minas Gerais, Brazil - hand specimen

$ 9.50

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kyanite crystals in quartz - São José de Safira, Minas Gerais, Brazil - hand/display specimen
kyanite crystals in quartz - São José de Safira, Minas Gerais, Brazil - hand/display specimen
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$ 20.00
kyanite crystals in quartz - São José de Safira, Minas Gerais, Brazil - hand/display specimen
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kyanite crystals in quartz - São José de Safira, Minas Gerais, Brazil - hand/display specimen

$ 20.00

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kyanite crystals in quartz - São José de Safira, Minas Gerais, Brazil - display specimen 1 left
kyanite crystals in quartz - São José de Safira, Minas Gerais, Brazil - display specimen
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$ 45.00
kyanite crystals in quartz - São José de Safira, Minas Gerais, Brazil - display specimen
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1 left

kyanite crystals in quartz - São José de Safira, Minas Gerais, Brazil - display specimen

$ 45.00

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limonite + hematite - hydrated/weathered iron oxides from the cap of a hydrothermal vein - hand/display specimen 1 left
limonite + hematite - hydrated/weathered iron oxides from the cap of a hydrothermal vein - hand/display specimen
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$ 12.50
limonite + hematite - hydrated/weathered iron oxides from the cap of a hydrothermal vein - hand/display specimen
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1 left

limonite + hematite - hydrated/weathered iron oxides from the cap of a hydrothermal vein - hand/display specimen

$ 12.50

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limonite - teaching hand specimen of vitreous dark brown limonite from the Whiteside mine 1 left
limonite - teaching hand specimen of vitreous dark brown limonite from the Whiteside mine
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$ 9.50
limonite - teaching hand specimen of vitreous dark brown limonite from the Whiteside mine
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1 left

limonite - teaching hand specimen of vitreous dark brown limonite from the Whiteside mine

$ 9.50

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limonite - teaching student specimens of limonite partly converted to yellow ochre - UNIT OF 5 SPECIMENS 1 left
limonite - teaching student specimens of limonite partly converted to yellow ochre - UNIT OF 5 SPECIMENS
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$ 4.20
limonite - teaching student specimens of limonite partly converted to yellow ochre - UNIT OF 5 SPECIMENS
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1 left

limonite - teaching student specimens of limonite partly converted to yellow ochre - UNIT OF 5 SPECIMENS

$ 4.20

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limonite - teaching student specimens of vitreous dark brown limonite - UNIT OF 5 SPECIMENS 4 left
limonite - teaching student specimens of vitreous dark brown limonite - UNIT OF 5 SPECIMENS
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$ 4.20
limonite - teaching student specimens of vitreous dark brown limonite - UNIT OF 5 SPECIMENS
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4 left

limonite - teaching student specimens of vitreous dark brown limonite - UNIT OF 5 SPECIMENS

$ 4.20

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limonite - display specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine 1 left
limonite - display specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine
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$ 15.00
limonite - display specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine
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1 left

limonite - display specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine

$ 15.00

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limonite - hand specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine 3 left
limonite - hand specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine
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$ 9.50
limonite - hand specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine
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3 left

limonite - hand specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine

$ 9.50

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limonite - hand/display specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine 2 left
limonite - hand/display specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine
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$ 9.50
limonite - hand/display specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine
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2 left

limonite - hand/display specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine

$ 9.50

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limonite - hand/display specimen of limonite from the top of a mineralized vein, showing conversion to yellow ochre 1 left
limonite - hand/display specimen of limonite from the top of a mineralized vein, showing conversion to yellow ochre
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$ 12.50
limonite - hand/display specimen of limonite from the top of a mineralized vein, showing conversion to yellow ochre
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1 left

limonite - hand/display specimen of limonite from the top of a mineralized vein, showing conversion to yellow ochre

$ 12.50

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limonite - large hand/display specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine 2 left
limonite - large hand/display specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine
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$ 12.50
limonite - large hand/display specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine
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2 left

limonite - large hand/display specimen of limonite - hydrated iron oxides - from the cap of a hydrothermal vein at the Keeler Gold Mine

$ 12.50

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magnesite - hand specimen of light tan porous magnesite - Windous magnesite deposit, Westvaco Mine
magnesite - hand specimen of light tan porous magnesite - Windous magnesite deposit, Westvaco Mine
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$ 9.50
magnesite - hand specimen of light tan porous magnesite - Windous magnesite deposit, Westvaco Mine
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magnesite - hand specimen of light tan porous magnesite - Windous magnesite deposit, Westvaco Mine

$ 9.50

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magnesite - hand/display specimen of light tan porous magnesite - Windous magnesite deposit, Westvaco Mine 3 left
magnesite - hand/display specimen of light tan porous magnesite - Windous magnesite deposit, Westvaco Mine
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$ 9.50
magnesite - hand/display specimen of light tan porous magnesite - Windous magnesite deposit, Westvaco Mine
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3 left

magnesite - hand/display specimen of light tan porous magnesite - Windous magnesite deposit, Westvaco Mine

$ 9.50

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pyrite - Huanzalá Mine, Huallanca, Peru - Unit of 5 student specimens
pyrite - Huanzalá Mine, Huallanca, Peru - Unit of 5 student specimens
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$ 12.50
pyrite - Huanzalá Mine, Huallanca, Peru - Unit of 5 student specimens
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pyrite - Huanzalá Mine, Huallanca, Peru - Unit of 5 student specimens

$ 12.50

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quartz - cavity filling - display specimen of a quartz filled geode from Morocco 1 left
quartz - cavity filling - display specimen of a quartz filled geode from Morocco
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$ 15.00
quartz - cavity filling - display specimen of a quartz filled geode from Morocco
1 left

quartz - cavity filling - display specimen of a quartz filled geode from Morocco

$ 15.00

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red ochre - Rawlins Red, the pigment used in the first coat of paint on cables of the Brooklyn Bridge - set of 5 tubes of this natural pigment
red ochre - Rawlins Red, the pigment used in the first coat of paint on cables of the Brooklyn Bridge - set of 5 tubes of this natural pigment
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$ 7.80
red ochre - Rawlins Red, the pigment used in the first coat of paint on cables of the Brooklyn Bridge - set of 5 tubes of this natural pigment
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red ochre - Rawlins Red, the pigment used in the first coat of paint on cables of the Brooklyn Bridge - set of 5 tubes of this natural pigment

$ 7.80

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red ochre -- set of 5 tubes of this natural iron oxide pigment
red ochre -- set of 5 tubes of this natural iron oxide pigment
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$ 7.80
red ochre -- set of 5 tubes of this natural iron oxide pigment
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red ochre -- set of 5 tubes of this natural iron oxide pigment

$ 7.80

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serpentine - display specimen of textbook serpentine from the Melones Fault Zone in Placer County, California 3 left
serpentine - display specimen of textbook serpentine from the Melones Fault Zone in Placer County, California
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$ 20.00
serpentine - display specimen of textbook serpentine from the Melones Fault Zone in Placer County, California
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3 left

serpentine - display specimen of textbook serpentine from the Melones Fault Zone in Placer County, California

$ 20.00

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serpentine - large hand/display specimen of textbook serpentine from the Melones Fault Zone in Placer County, California 3 left
serpentine - large hand/display specimen of textbook serpentine from the Melones Fault Zone in Placer County, California
-
$ 15.00
serpentine - large hand/display specimen of textbook serpentine from the Melones Fault Zone in Placer County, California
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3 left

serpentine - large hand/display specimen of textbook serpentine from the Melones Fault Zone in Placer County, California

$ 15.00

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