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barite - 250 ml display bottle of the milled barite used in oil well drilling mud
barite - 250 ml display bottle of the milled barite used in oil well drilling mud
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$ 8.50
barite - 250 ml display bottle of the milled barite used in oil well drilling mud

barite - 250 ml display bottle of the milled barite used in oil well drilling mud

$ 8.50

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

$ 7.50

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calcite - teaching hand specimen of naturally-brown calcite 1 left
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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1 left

calcite - teaching hand specimen of naturally-brown calcite

$ 7.50

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calcite - teaching hand specimen of unusual brown calcite 4 left
calcite - teaching hand specimen of unusual brown calcite
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$ 7.50
calcite - teaching hand specimen of unusual brown calcite
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4 left

calcite - teaching hand specimen of unusual brown calcite

$ 7.50

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

$ 4.20

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calcite, brown, recrystallized - teaching student specimens UNIT OF 10 SMALLER SPECIMENS 2 left
calcite, brown, recrystallized - teaching student specimens UNIT OF 10 SMALLER SPECIMENS
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$ 5.80
calcite, brown, recrystallized - teaching student specimens UNIT OF 10 SMALLER SPECIMENS
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calcite, brown, recrystallized - teaching student specimens UNIT OF 10 SMALLER SPECIMENS

$ 5.80

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chert - student specimens of light tan chert - Unit of 5 specimens
chert - student specimens of light tan chert - Unit of 5 specimens
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$ 4.20
chert - student specimens of light tan chert - Unit of 5 specimens

chert - student specimens of light tan chert - Unit of 5 specimens

$ 4.20

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chert - teaching hand specimen of banded chert from the Monterey Formation, California 1 left
chert - teaching hand specimen of banded chert from the Monterey Formation, California
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$ 7.50
chert - teaching hand specimen of banded chert from the Monterey Formation, California
1 left

chert - teaching hand specimen of banded chert from the Monterey Formation, California

$ 7.50

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clay - teaching hand specimen of non-expanding calcium montmorillonite clay
clay - teaching hand specimen of non-expanding calcium montmorillonite clay
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$ 7.50
clay - teaching hand specimen of non-expanding calcium montmorillonite clay
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clay - teaching hand specimen of non-expanding calcium montmorillonite clay

$ 7.50

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clay - teaching hand/display specimen of non-expanding calcium montmorillonite clay
clay - teaching hand/display specimen of non-expanding calcium montmorillonite clay
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$ 7.50
clay - teaching hand/display specimen of non-expanding calcium montmorillonite clay
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clay - teaching hand/display specimen of non-expanding calcium montmorillonite clay

$ 7.50

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clay - teaching student specimens of montmorillonite clay UNIT OF 5 SPECIMENS
clay - teaching student specimens of montmorillonite clay UNIT OF 5 SPECIMENS
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$ 4.20
clay - teaching student specimens of montmorillonite clay UNIT OF 5 SPECIMENS
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clay - teaching student specimens of montmorillonite clay UNIT OF 5 SPECIMENS

$ 4.20

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dendrites - display specimen of unusual manganese oxide dendrites 1 left
dendrites - display specimen of unusual manganese oxide dendrites
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$ 10.50
dendrites - display specimen of unusual manganese oxide dendrites
1 left

dendrites - display specimen of unusual manganese oxide dendrites

$ 10.50

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dendrites - hand/display specimen of manganese oxide dendrites 1 left
dendrites - hand/display specimen of manganese oxide dendrites
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$ 7.50
dendrites - hand/display specimen of manganese oxide dendrites
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1 left

dendrites - hand/display specimen of manganese oxide dendrites

$ 7.50

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dendrites - teaching hand specimen of manganese oxide dendrites 2 left
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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2 left

dendrites - teaching hand specimen of manganese oxide dendrites

$ 7.50

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feldspar - student specimens of salmon pink microcline from the Black Hills - UNIT OF 10 SMALLER SPECIMENS 3 left
feldspar - student specimens of salmon pink microcline from the Black Hills - UNIT OF 10 SMALLER SPECIMENS
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$ 5.80
feldspar - student specimens of salmon pink microcline from the Black Hills - UNIT OF 10 SMALLER SPECIMENS
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3 left

feldspar - student specimens of salmon pink microcline from the Black Hills - UNIT OF 10 SMALLER SPECIMENS

$ 5.80

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feldspar - student specimens of salmon pink microcline from the Black Hills - UNIT OF 5 SPECIMENS 4 left
feldspar - student specimens of salmon pink microcline from the Black Hills - UNIT OF 5 SPECIMENS
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$ 4.20
feldspar - student specimens of salmon pink microcline from the Black Hills - UNIT OF 5 SPECIMENS
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4 left

feldspar - student specimens of salmon pink microcline from the Black Hills - UNIT OF 5 SPECIMENS

$ 4.20

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feldspar - teaching hand specimen of bright salmon pink microcline from Custer County, South Dakota
feldspar - teaching hand specimen of bright salmon pink microcline from Custer County, South Dakota
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$ 7.50
feldspar - teaching hand specimen of bright salmon pink microcline from Custer County, South Dakota
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feldspar - teaching hand specimen of bright salmon pink microcline from Custer County, South Dakota

$ 7.50

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feldspar - teaching student specimens of pale pink perthitic microcline from the Mtn Beryl Mine - Unit of 5 specimens
feldspar - teaching student specimens of pale pink perthitic microcline from the Mtn Beryl Mine - Unit of 5 specimens
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$ 4.20
feldspar - teaching student specimens of pale pink perthitic microcline from the Mtn Beryl Mine - Unit of 5 specimens
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feldspar - teaching student specimens of pale pink perthitic microcline from the Mtn Beryl Mine - Unit of 5 specimens

$ 4.20

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feldspar - teaching student specimens of pale pink perthitic microcline from the Tin Mountain Mine - Unit of 5 specimens 1 left
feldspar - teaching student specimens of pale pink perthitic microcline from the Tin Mountain Mine - Unit of 5 specimens
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$ 4.20
feldspar - teaching student specimens of pale pink perthitic microcline from the Tin Mountain Mine - Unit of 5 specimens
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1 left

feldspar - teaching student specimens of pale pink perthitic microcline from the Tin Mountain Mine - Unit of 5 specimens

$ 4.20

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galena - teaching hand specimens - a pair from Morocco Sold Out
galena - teaching hand specimens - a pair from Morocco
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$ 7.50
galena - teaching hand specimens - a pair from Morocco
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galena - teaching hand specimens - a pair from Morocco

$ 7.50

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geode - hand/display specimen of a multiple bubble filling or hollow geode 2 left
geode - hand/display specimen of a multiple bubble filling or hollow geode
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$ 7.50
geode - hand/display specimen of a multiple bubble filling or hollow geode
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2 left

geode - hand/display specimen of a multiple bubble filling or hollow geode

$ 7.50

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gypsum - teaching student specimens of transparent selenite gypsum - Unit of 5 specimens Sold Out
gypsum - teaching student specimens of transparent selenite gypsum - Unit of 5 specimens
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$ 4.20
gypsum - teaching student specimens of transparent selenite gypsum - Unit of 5 specimens
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gypsum - teaching student specimens of transparent selenite gypsum - Unit of 5 specimens

$ 4.20

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gypsum - hand/display specimen of white rock gypsum - Weiser Ridge, Clark Co., Nevada 1 left
gypsum - hand/display specimen of white rock gypsum - Weiser Ridge, Clark Co., Nevada
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$ 7.50
gypsum - hand/display specimen of white rock gypsum - Weiser Ridge, Clark Co., Nevada
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1 left

gypsum - hand/display specimen of white rock gypsum - Weiser Ridge, Clark Co., Nevada

$ 7.50

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gypsum - teaching hand specimen of rock gypsum from Weiser Ridge, Clarke County, Nevada
gypsum - teaching hand specimen of rock gypsum from Weiser Ridge, Clarke County, Nevada
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$ 7.50
gypsum - teaching hand specimen of rock gypsum from Weiser Ridge, Clarke County, Nevada
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gypsum - teaching hand specimen of rock gypsum from Weiser Ridge, Clarke County, Nevada

$ 7.50

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gypsum - teaching student specimens of sugary white rock gypsum - Unit of 5 specimens 3 left
gypsum - teaching student specimens of sugary white rock gypsum - Unit of 5 specimens
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$ 4.20
gypsum - teaching student specimens of sugary white rock gypsum - Unit of 5 specimens
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3 left

gypsum - teaching student specimens of sugary white rock gypsum - Unit of 5 specimens

$ 4.20

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halite - student specimens of cleaved halite - Unit of 10 smaller specimens 1 left
halite - student specimens of cleaved halite - Unit of 10 smaller specimens
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$ 5.80
halite - student specimens of cleaved halite - Unit of 10 smaller specimens
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1 left

halite - student specimens of cleaved halite - Unit of 10 smaller specimens

$ 5.80

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halite - hand/display specimen of naturally red-pigmented halite from Searles Lake, Calif. 1 left
halite - hand/display specimen of naturally red-pigmented halite from Searles Lake, Calif.
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$ 9.50
halite - hand/display specimen of naturally red-pigmented halite from Searles Lake, Calif.
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1 left

halite - hand/display specimen of naturally red-pigmented halite from Searles Lake, Calif.

$ 9.50

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halite - tiny cleaved student testing pieces of transparent halite from Bristol Lake - Unit of 30 2 left
halite - tiny cleaved student testing pieces of transparent halite from Bristol Lake - Unit of 30
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$ 5.80
halite - tiny cleaved student testing pieces of transparent halite from Bristol Lake - Unit of 30
2 left

halite - tiny cleaved student testing pieces of transparent halite from Bristol Lake - Unit of 30

$ 5.80

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howlite - set of 6 typical small nodules of calcium silicoborate Sold Out
howlite - set of 6 typical small nodules of calcium silicoborate
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$ 7.50
howlite - set of 6 typical small nodules of calcium silicoborate
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howlite - set of 6 typical small nodules of calcium silicoborate

$ 7.50

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kaolinite - teaching hand/display specimen of the primary constituent of kaolin clay
kaolinite - teaching hand/display specimen of the primary constituent of kaolin clay
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$ 7.50
kaolinite - teaching hand/display specimen of the primary constituent of kaolin clay
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kaolinite - teaching hand/display specimen of the primary constituent of kaolin clay

$ 7.50

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kaolinite - teaching student specimens of the primary constituent of kaolin clay - Unit of 5 specimens
kaolinite - teaching student specimens of the primary constituent of kaolin clay - Unit of 5 specimens
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$ 4.20
kaolinite - teaching student specimens of the primary constituent of kaolin clay - Unit of 5 specimens

kaolinite - teaching student specimens of the primary constituent of kaolin clay - Unit of 5 specimens

$ 4.20

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limonite - teaching student specimens of limonite - UNIT OF 5 SPECIMENS
limonite - teaching student specimens of limonite - UNIT OF 5 SPECIMENS
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$ 4.20
limonite - teaching student specimens of limonite - UNIT OF 5 SPECIMENS
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limonite - teaching student specimens of limonite - UNIT OF 5 SPECIMENS

$ 4.20

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limonite - hand/display specimen of limonite from the top of a mineralized vein 2 left
limonite - hand/display specimen of limonite from the top of a mineralized vein
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$ 7.50
limonite - hand/display specimen of limonite from the top of a mineralized vein
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2 left

limonite - hand/display specimen of limonite from the top of a mineralized vein

$ 7.50

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limonite - teaching student specimens of limonite - UNIT OF 10 smaller SPECIMENS 2 left
limonite - teaching student specimens of limonite - UNIT OF 10 smaller SPECIMENS
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$ 5.80
limonite - teaching student specimens of limonite - UNIT OF 10 smaller SPECIMENS
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2 left

limonite - teaching student specimens of limonite - UNIT OF 10 smaller SPECIMENS

$ 5.80

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magnesite - teaching hand specimen of light tan porous magnesite - Windous magnesite deposit, Westvaco Mine
magnesite - teaching hand specimen of light tan porous magnesite - Windous magnesite deposit, Westvaco Mine
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$ 7.50
magnesite - teaching hand specimen of light tan porous magnesite - Windous magnesite deposit, Westvaco Mine
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magnesite - teaching hand specimen of light tan porous magnesite - Windous magnesite deposit, Westvaco Mine

$ 7.50

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magnesite - teaching hand specimen of very light gray to white earthy magnesium carbonate
magnesite - teaching hand specimen of very light gray to white earthy magnesium carbonate
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$ 7.50
magnesite - teaching hand specimen of very light gray to white earthy magnesium carbonate
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magnesite - teaching hand specimen of very light gray to white earthy magnesium carbonate

$ 7.50

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magnesite - teaching student specimens of fine grained vitreous magnesite - unit of 5 specimens 1 left
magnesite - teaching student specimens of fine grained vitreous magnesite - unit of 5 specimens
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$ 7.50
magnesite - teaching student specimens of fine grained vitreous magnesite - unit of 5 specimens
1 left

magnesite - teaching student specimens of fine grained vitreous magnesite - unit of 5 specimens

$ 7.50

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magnesite - teaching student specimens of light tan porous magnesite - unit of 5 specimens
magnesite - teaching student specimens of light tan porous magnesite - unit of 5 specimens
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$ 4.20
magnesite - teaching student specimens of light tan porous magnesite - unit of 5 specimens

magnesite - teaching student specimens of light tan porous magnesite - unit of 5 specimens

$ 4.20

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magnetite - teaching student specimens of this important iron ore - unit of 10 smaller specimens 2 left
magnetite - teaching student specimens of this important iron ore - unit of 10 smaller specimens
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$ 5.80
magnetite - teaching student specimens of this important iron ore - unit of 10 smaller specimens
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2 left

magnetite - teaching student specimens of this important iron ore - unit of 10 smaller specimens

$ 5.80

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muscovite on quartz - large display specimen Sold Out
muscovite on quartz - large display specimen
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$ 25.00
muscovite on quartz - large display specimen
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muscovite on quartz - large display specimen

$ 25.00

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orpiment - display specimen of arsenic sulfide from the Getchell Mine Sold Out
orpiment - display specimen of arsenic sulfide from the Getchell Mine
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$ 25.00
orpiment - display specimen of arsenic sulfide from the Getchell Mine
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orpiment - display specimen of arsenic sulfide from the Getchell Mine

$ 25.00

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pegmatite - teaching hand/display specimen of a quartz/muscovite pegmatite from Custer County South Dakota 1 left
pegmatite - teaching hand/display specimen of a quartz/muscovite pegmatite from Custer County South Dakota
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$ 9.50
pegmatite - teaching hand/display specimen of a quartz/muscovite pegmatite from Custer County South Dakota
1 left

pegmatite - teaching hand/display specimen of a quartz/muscovite pegmatite from Custer County South Dakota

$ 9.50

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quartz - teaching student specimens of milky quartz, very slightly gray from natural radiation - UNIT OF 5 SPECIMENS
quartz - teaching student specimens of milky quartz, very slightly gray from natural radiation - UNIT OF 5 SPECIMENS
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$ 4.20
quartz - teaching student specimens of milky quartz, very slightly gray from natural radiation - UNIT OF 5 SPECIMENS

quartz - teaching student specimens of milky quartz, very slightly gray from natural radiation - UNIT OF 5 SPECIMENS

$ 4.20

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red ochre - 250 ml display bottle of this natural iron oxide pigment Sold Out
red ochre - 250 ml display bottle of this natural iron oxide pigment
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$ 10.80
red ochre - 250 ml display bottle of this natural iron oxide pigment
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red ochre - 250 ml display bottle of this natural iron oxide pigment

$ 10.80

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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 - teaching hand specimen of red ochre from the deposit mined for the pigment used in the first coat on the Brooklyn Bridge 1 left
red ochre - teaching hand specimen of red ochre from the deposit mined for the pigment used in the first coat on the Brooklyn Bridge
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$ 7.50
red ochre - teaching hand specimen of red ochre from the deposit mined for the pigment used in the first coat on the Brooklyn Bridge
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1 left

red ochre - teaching hand specimen of red ochre from the deposit mined for the pigment used in the first coat on the Brooklyn Bridge

$ 7.50

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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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salt stalactites - display set of naturally formed salt stalactites from Searles Lake playa Sold Out
salt stalactites - display set of naturally formed salt stalactites from Searles Lake playa
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$ 10.50
salt stalactites - display set of naturally formed salt stalactites from Searles Lake playa
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salt stalactites - display set of naturally formed salt stalactites from Searles Lake playa

$ 10.50

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serpentine - teaching student specimens of serpentine from the Melones Fault Zone - unit of 5 specimens
serpentine - teaching student specimens of serpentine from the Melones Fault Zone - unit of 5 specimens
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$ 4.20
serpentine - teaching student specimens of serpentine from the Melones Fault Zone - unit of 5 specimens

serpentine - teaching student specimens of serpentine from the Melones Fault Zone - unit of 5 specimens

$ 4.20

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sulfur - teaching student specimens of massive sulfur UNIT OF 10 SPECIMENS
sulfur - teaching student specimens of massive sulfur UNIT OF 10 SPECIMENS
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$ 5.80
sulfur - teaching student specimens of massive sulfur UNIT OF 10 SPECIMENS
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sulfur - teaching student specimens of massive sulfur UNIT OF 10 SPECIMENS

$ 5.80

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