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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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biotite - hand/display specimen from Cardiff, Ontario Sold Out
biotite - hand/display specimen from Cardiff, Ontario
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$ 10.50
biotite - hand/display specimen from Cardiff, Ontario
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biotite - hand/display specimen from Cardiff, Ontario

$ 10.50

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calcite - teaching hand specimen of unusual naturally-brown calcite 1 left
calcite - teaching hand specimen of unusual naturally-brown calcite
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$ 7.50
calcite - teaching hand specimen of unusual naturally-brown calcite
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calcite - teaching hand specimen of unusual naturally-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 3 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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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 3 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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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 - display specimen of bright salmon pink microcline from Custer County, South Dakota 2 left
feldspar - display specimen of bright salmon pink microcline from Custer County, South Dakota
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$ 15.00
feldspar - display specimen of bright salmon pink microcline from Custer County, South Dakota
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2 left

feldspar - display specimen of bright salmon pink microcline from Custer County, South Dakota

$ 15.00

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feldspar - Display specimen of pale pink perthitic microcline from the Mountain Beryl Mine, Custer County, SD 1 left
feldspar - Display specimen of pale pink perthitic microcline from the Mountain Beryl Mine, Custer County, SD
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$ 17.50
feldspar - Display specimen of pale pink perthitic microcline from the Mountain Beryl Mine, Custer County, SD
1 left

feldspar - Display specimen of pale pink perthitic microcline from the Mountain Beryl Mine, Custer County, SD

$ 17.50

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feldspar - hand/display specimen of pale pink perthitic microcline from the Mountain Beryl Mine, Custer County, SD 2 left
feldspar - hand/display specimen of pale pink perthitic microcline from the Mountain Beryl Mine, Custer County, SD
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$ 12.50
feldspar - hand/display specimen of pale pink perthitic microcline from the Mountain Beryl Mine, Custer County, SD
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2 left

feldspar - hand/display specimen of pale pink perthitic microcline from the Mountain Beryl Mine, Custer County, SD

$ 12.50

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

$ 5.80

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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 to tan perthitic microcline - Unit of 5 specimens Sold Out
feldspar - teaching student specimens of pale pink to tan perthitic microcline - Unit of 5 specimens
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$ 4.20
feldspar - teaching student specimens of pale pink to tan perthitic microcline - Unit of 5 specimens
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feldspar - teaching student specimens of pale pink to tan perthitic microcline - Unit of 5 specimens

$ 4.20

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galena - teaching hand specimens - a pair from Morocco 3 left
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 - pink rock gypsum from the Pliocene Quartermaster Formation, Armstrong County, Texas - unit of five student specimens 1 left
gypsum - pink rock gypsum from the Pliocene Quartermaster Formation, Armstrong County, Texas - unit of five student specimens
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$ 4.20
gypsum - pink rock gypsum from the Pliocene Quartermaster Formation, Armstrong County, Texas - unit of five student specimens
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1 left

gypsum - pink rock gypsum from the Pliocene Quartermaster Formation, Armstrong County, Texas - unit of five student specimens

$ 4.20

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gypsum - teaching hand specimen of rock gypsum from Weiser Ridge, Clarke County, Nevada 4 left
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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4 left

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 1 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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1 left

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

$ 4.20

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gypsum - teaching student specimens of white rock gypsum - Unit of 5 specimens 1 left
gypsum - teaching student specimens of white rock gypsum - Unit of 5 specimens
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$ 4.20
gypsum - teaching student specimens of white rock gypsum - Unit of 5 specimens
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gypsum - teaching student specimens of white rock gypsum - Unit of 5 specimens

$ 4.20

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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 - teaching student specimens of limonite - UNIT OF 10 smaller SPECIMENS 3 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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3 left

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

$ 5.80

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magnesite - hand/display specimen of fine grained vitreous magnesite Sold Out
magnesite - hand/display specimen of fine grained vitreous magnesite
-
$ 7.50
magnesite - hand/display specimen of fine grained vitreous magnesite
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magnesite - hand/display specimen of fine grained vitreous magnesite

$ 7.50

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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 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
magnetite - teaching student specimens of this important iron ore - unit of 10 smaller specimens
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$ 5.00
magnetite - teaching student specimens of this important iron ore - unit of 10 smaller specimens
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magnetite - teaching student specimens of this important iron ore - unit of 10 smaller specimens

$ 5.00

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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 - hand/display specimen of quartz/muscovite/microcline pegmatite from the Mtn. Beryl Mine, Black Hills, South Dakota 4 left
pegmatite - hand/display specimen of quartz/muscovite/microcline pegmatite from the Mtn. Beryl Mine, Black Hills, South Dakota
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$ 8.50
pegmatite - hand/display specimen of quartz/muscovite/microcline pegmatite from the Mtn. Beryl Mine, Black Hills, South Dakota
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4 left

pegmatite - hand/display specimen of quartz/muscovite/microcline pegmatite from the Mtn. Beryl Mine, Black Hills, South Dakota

$ 8.50

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pegmatite - teaching hand specimen of a quartz/muscovite/microcline pegmatite from the Mtn. Beryl Mine, Black Hills, South Dakota
pegmatite - teaching hand specimen of a quartz/muscovite/microcline pegmatite from the Mtn. Beryl Mine, Black Hills, South Dakota
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$ 7.50
pegmatite - teaching hand specimen of a quartz/muscovite/microcline pegmatite from the Mtn. Beryl Mine, Black Hills, South Dakota
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pegmatite - teaching hand specimen of a quartz/muscovite/microcline pegmatite from the Mtn. Beryl Mine, Black Hills, South Dakota

$ 7.50

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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 - 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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salt stalactites - display set of naturally formed salt stalactites from Searles Lake playa 1 left
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
1 left

salt stalactites - display set of naturally formed salt stalactites from Searles Lake playa

$ 10.50

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salt stalactites - set of teaching/display specimens of naturally formed salt stalactites 1 left
salt stalactites - set of teaching/display specimens of naturally formed salt stalactites
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$ 7.50
salt stalactites - set of teaching/display specimens of naturally formed salt stalactites
1 left

salt stalactites - set of teaching/display specimens of naturally formed salt stalactites

$ 7.50

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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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Soft white talc - hand specimen from the Acme Mine, Alexander Hills, San Bernardino County, California 3 left
Soft white talc - hand specimen from the Acme Mine, Alexander Hills, San Bernardino County, California
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$ 7.50
Soft white talc - hand specimen from the Acme Mine, Alexander Hills, San Bernardino County, California
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3 left

Soft white talc - hand specimen from the Acme Mine, Alexander Hills, San Bernardino County, California

$ 7.50

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sulfur - student specimens of massive sulfur - Unit of 5 specimens Sold Out
sulfur - student specimens of massive sulfur - Unit of 5 specimens
-
$ 4.20
sulfur - student specimens of massive sulfur - Unit of 5 specimens
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sulfur - student specimens of massive sulfur - Unit of 5 specimens

$ 4.20

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talc - dark green soapstone/pyrophyllite talc - teaching hand specimen 3 left
talc - dark green soapstone - teaching hand specimen
-
$ 7.50
talc - dark green soapstone/pyrophyllite talc - teaching hand specimen
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talc - dark green soapstone - teaching hand specimen

$ 7.50

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talc - dark green soapstone/pyrophyllite talc - teaching student specimens - UNIT OF 5 SPECIMENS
talc - dark green soapstone - teaching student specimens - UNIT OF 5 SPECIMENS
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$ 4.20
talc - dark green soapstone/pyrophyllite talc - teaching student specimens - UNIT OF 5 SPECIMENS
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talc - dark green soapstone - teaching student specimens - UNIT OF 5 SPECIMENS

$ 4.20

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talc - mottled soapstone - teaching student specimens of a variably colored steatite talc - UNIT OF 5 SPECIMENS 1 left
talc - mottled soapstone - teaching student specimens of a variably colored steatite talc - UNIT OF 5 SPECIMENS
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$ 4.20
talc - mottled soapstone - teaching student specimens of a variably colored steatite talc - UNIT OF 5 SPECIMENS
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1 left

talc - mottled soapstone - teaching student specimens of a variably colored steatite talc - UNIT OF 5 SPECIMENS

$ 4.20

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