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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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amber - fossil resin from a tropical forest tree in Indonesian Borneo
amber - fossil resin from a tropical forest tree in Indonesian Borneo
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$ 9.50
amber - fossil resin from a tropical forest tree in Indonesian Borneo
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amber - fossil resin from a tropical forest tree in Indonesian Borneo

$ 9.50

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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
Images / 1 / 2 / 3 / 4 / 5
2 left

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

$ 50.00

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asbestos - tremolite (amphibole) asbestos - teaching hand specimen of fibers in a screw-cap pyrex tube Sold Out
asbestos - tremolite (amphibole) asbestos - teaching hand specimen of fibers in a screw-cap pyrex tube
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$ 10.50
asbestos - tremolite (amphibole) asbestos - teaching hand specimen of fibers in a screw-cap pyrex tube
Sold Out

asbestos - tremolite (amphibole) asbestos - teaching hand specimen of fibers in a screw-cap pyrex tube

$ 10.50

Back in stock soon. Inquire.

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biotite - cleavage plate from a pegmatite near Cardiff, Ontario - hand specimen
biotite - cleavage plate from a pegmatite near Cardiff, Ontario - hand specimen
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$ 9.50
biotite - cleavage plate from a pegmatite near Cardiff, Ontario - hand specimen
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biotite - cleavage plate from a pegmatite near Cardiff, Ontario - hand specimen

$ 9.50

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fulgurite - pair of longer than average natural glass tubes formed by lightning strikes on sand 4 left
fulgurite - pair of longer than average natural glass tubes formed by lightning strikes on sand
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$ 16.50
fulgurite - pair of longer than average natural glass tubes formed by lightning strikes on sand
Images / 1 / 2 / 3 / 4
4 left

fulgurite - pair of longer than average natural glass tubes formed by lightning strikes on sand

$ 16.50

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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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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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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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limestone - oncolitic limestone showing typical dissolved surface found in arid climates - Lower Cambrian Chambless Limestone, Marble Mountains, Calif. - hand/display specimen 3 left
limestone - oncolitic limestone showing typical dissolved surface found in arid climates - Lower Cambrian Chambless Limestone, Marble Mountains, Calif. - hand/display specimen
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$ 9.50
limestone - oncolitic limestone showing typical dissolved surface found in arid climates - Lower Cambrian Chambless Limestone, Marble Mountains, Calif. - hand/display specimen
Images / 1 / 2 / 3
3 left

limestone - oncolitic limestone showing typical dissolved surface found in arid climates - Lower Cambrian Chambless Limestone, Marble Mountains, Calif. - hand/display specimen

$ 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
Images / 1 / 2 / 3 / 4 / 5
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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muscovite mica from a pegmatite near Coronel Murta, Minas Gerais, Brazil - hand/display specimen 3 left
muscovite mica from a pegmatite near Coronel Murta, Minas Gerais, Brazil - hand/display specimen
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$ 12.50
muscovite mica from a pegmatite near Coronel Murta, Minas Gerais, Brazil - hand/display specimen
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3 left

muscovite mica from a pegmatite near Coronel Murta, Minas Gerais, Brazil - hand/display specimen

$ 12.50

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oil sand - Graciosa coarse-grained member of the Careaga sandstone impregnated with oil from the underlying Monterey Formation - hand/display specimen
oil sand - Graciosa coarse-grained member of the Careaga sandstone impregnated with oil from the underlying Monterey Formation - hand/display specimen
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$ 9.50
oil sand - Graciosa coarse-grained member of the Careaga sandstone impregnated with oil from the underlying Monterey Formation - hand/display specimen
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oil sand - Graciosa coarse-grained member of the Careaga sandstone impregnated with oil from the underlying Monterey Formation - hand/display specimen

$ 9.50

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schist - greenschist - a facies of the Pelona Schist - hand/display specimen
schist - greenschist - a facies of the Pelona Schist - hand/display specimen
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$ 9.50
schist - greenschist - a facies of the Pelona Schist - hand/display specimen
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schist - greenschist - a facies of the Pelona Schist - hand/display specimen

$ 9.50

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serpentine - large hand/display specimen of textbook serpentine from the Melones Fault Zone in Placer County, California 2 left
serpentine - large hand/display specimen of textbook serpentine from the Melones Fault Zone in Placer County, California
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$ 15.00
serpentine - large hand/display specimen of textbook serpentine from the Melones Fault Zone in Placer County, California
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2 left

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

$ 15.00

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serpentine - teaching hand specimen from the Melones fault zone
serpentine - teaching hand specimen from the Melones fault zone
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$ 9.50
serpentine - teaching hand specimen from the Melones fault zone
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serpentine - teaching hand specimen from the Melones fault zone

$ 9.50

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smoky quartz points - student unit of 5 specimens
smoky quartz points - student unit of 5 specimens
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$ 7.50
smoky quartz points - student unit of 5 specimens

smoky quartz points - student unit of 5 specimens

$ 7.50

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tuff - rhyolitic tuff with pumice clasts - a classic ignimbrite or pumice-dominated pyroclastic deposit - teaching hand/display specimen
tuff - rhyolitic tuff with pumice clasts - a classic ignimbrite or pumice-dominated pyroclastic deposit - teaching hand/display specimen
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$ 9.50
tuff - rhyolitic tuff with pumice clasts - a classic ignimbrite or pumice-dominated pyroclastic deposit - teaching hand/display specimen
Images / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8

tuff - rhyolitic tuff with pumice clasts - a classic ignimbrite or pumice-dominated pyroclastic deposit - teaching hand/display specimen

$ 9.50

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