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amethyst - crystal clusters - set of five student specimens Sold Out
amethyst - crystal clusters - set of five student specimens
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$ 8.00
amethyst - crystal clusters - set of five student specimens
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amethyst - crystal clusters - set of five student specimens

$ 8.00

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Apache tears - obsidianite cores from a flow converting to perlite - classroom set of 10
Apache tears - obsidianite cores from a flow converting to perlite - classroom set of 10
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$ 7.50
Apache tears - obsidianite cores from a flow converting to perlite - classroom set of 10
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Apache tears - obsidianite cores from a flow converting to perlite - classroom set of 10

$ 7.50

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medium-grained poorly sorted arkosic sandstone from the Wasatch Formation main body, Sweetwater County, Wyoming, hand specime 3 left
arkose - medium-grained poorly sorted arkosic sandstone from the Lower Eocene Wasatch Formation, Sweetwater County, Wyoming - teaching hand specimen
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$ 7.50
medium-grained poorly sorted arkosic sandstone from the Wasatch Formation main body, Sweetwater County, Wyoming, hand specime
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3 left

arkose - medium-grained poorly sorted arkosic sandstone from the Lower Eocene Wasatch Formation, Sweetwater County, Wyoming - teaching hand specimen

$ 7.50

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calcite - cleaved rhombs of Iceland spar - transparent calcite that shows double refraction - Unit of 5 student specimens
calcite - cleaved rhombs of Iceland spar - transparent calcite that shows double refraction - Unit of 5 student specimens
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$ 7.70
calcite - cleaved rhombs of Iceland spar - transparent calcite that shows double refraction - Unit of 5 student specimens
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calcite - cleaved rhombs of Iceland spar - transparent calcite that shows double refraction - Unit of 5 student specimens

$ 7.70

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chalcopyrite - teaching student specimens from a mineralized vein - Unit of 5 specimens
chalcopyrite - teaching student specimens from a mineralized vein - Unit of 5 specimens
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$ 12.50
chalcopyrite - teaching student specimens from a mineralized vein - Unit of 5 specimens
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chalcopyrite - teaching student specimens from a mineralized vein - Unit of 5 specimens

$ 12.50

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fossil tooth of mackerel shark Otodus obliquus (Agassiz, 1843) Late Paleocene - Early Eocene, from the phosphate mines near Khouribga, Morocco
fossil tooth of mackerel shark Otodus obliquus (Agassiz, 1843) Late Paleocene - Early Eocene, from the phosphate mines near Khouribga, Morocco
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$ 4.00
fossil tooth of mackerel shark Otodus obliquus (Agassiz, 1843) Late Paleocene - Early Eocene, from the phosphate mines near Khouribga, Morocco
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fossil tooth of mackerel shark Otodus obliquus (Agassiz, 1843) Late Paleocene - Early Eocene, from the phosphate mines near Khouribga, Morocco

$ 4.00

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galena - teaching student specimens of the primary ore of lead - Unit of 5 specimens
galena - teaching student specimens of the primary ore of lead - Unit of 5 specimens
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$ 12.50
galena - teaching student specimens of the primary ore of lead - Unit of 5 specimens
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galena - teaching student specimens of the primary ore of lead - Unit of 5 specimens

$ 12.50

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

$ 7.50

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limestone - very light tan lacustrine limestone from the Eocene Green River Formation - teaching hand specimen 2 left
limestone - very light tan lacustrine limestone from the Eocene Green River Formation - teaching hand specimen
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$ 7.50
limestone - very light tan lacustrine limestone from the Eocene Green River Formation - teaching hand specimen
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2 left

limestone - very light tan lacustrine limestone from the Eocene Green River Formation - teaching hand specimen

$ 7.50

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magnesite - white vitreous magnesite - display specimen 2 left
magnesite - white vitreous magnesite - display specimen
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$ 15.00
magnesite - white vitreous magnesite - display specimen
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2 left

magnesite - white vitreous magnesite - display specimen

$ 15.00

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magnesite - white vitreous magnesite - hand/display specimen 2 left
magnesite - white vitreous magnesite - hand/display specimen
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$ 12.50
magnesite - white vitreous magnesite - hand/display specimen
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2 left

magnesite - white vitreous magnesite - hand/display specimen

$ 12.50

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magnesite - white vitreous magnesite - teaching hand/display specimen 3 left
magnesite - white vitreous magnesite - teaching hand/display specimen
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$ 9.50
magnesite - white vitreous magnesite - teaching hand/display specimen
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3 left

magnesite - white vitreous magnesite - teaching hand/display specimen

$ 9.50

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magnesite - white vitreous magnesite - unit of 5 student specimens
magnesite - white vitreous magnesite - unit of 5 student specimens
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$ 4.20
magnesite - white vitreous magnesite - unit of 5 student specimens
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magnesite - white vitreous magnesite - unit of 5 student specimens

$ 4.20

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magnesite - white vitreous nodular magnesite - hand/display specimen 1 left
magnesite - white vitreous nodular magnesite - hand/display specimen
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$ 12.50
magnesite - white vitreous nodular magnesite - hand/display specimen
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1 left

magnesite - white vitreous nodular magnesite - 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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$ 7.50
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

$ 7.50

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peat - hand/display specimen of peat from the San Andreas fault zone, formed in a marsh that dried out roughly a century ago 1 left
peat - hand/display specimen of peat from the San Andreas fault zone, formed in a marsh that dried out roughly a century ago
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$ 9.50
peat - hand/display specimen of peat from the San Andreas fault zone, formed in a marsh that dried out roughly a century ago
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1 left

peat - hand/display specimen of peat from the San Andreas fault zone, formed in a marsh that dried out roughly a century ago

$ 9.50

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perlite - screened and partially dried perlite pellets and popped perlite - set of two 2-ounce jars
perlite - screened and partially dried perlite pellets and popped perlite - set of two 2-ounce jars
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$ 8.50
perlite - screened and partially dried perlite pellets and popped perlite - set of two 2-ounce jars
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perlite - screened and partially dried perlite pellets and popped perlite - set of two 2-ounce jars

$ 8.50

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porcelanite - formed from the reprecipitation of silica during the conversion of siliceous sediments to sedimentary rock - Monterey Formation, CA - teaching hand specimen Sold Out
porcelanite - formed from the reprecipitation of silica during the conversion of siliceous sediments to sedimentary rock - Monterey Formation, CA - teaching hand specimen
-
$ 7.50
porcelanite - formed from the reprecipitation of silica during the conversion of siliceous sediments to sedimentary rock - Monterey Formation, CA - teaching hand specimen
Sold Out

porcelanite - formed from the reprecipitation of silica during the conversion of siliceous sediments to sedimentary rock - Monterey Formation, CA - teaching hand specimen

$ 7.50

Back in stock soon. Inquire.

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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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$ 7.50
pyrite - Huanzalá Mine, Huallanca, Peru - Unit of 5 student specimens
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pyrite - Huanzalá Mine, Huallanca, Peru - Unit of 5 student specimens

$ 7.50

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sand - large-grained quartz dune sand from Monastery Beach, Carmel Bay, California - set of 5 tubes
sand - large-grained quartz dune sand from Monastery Beach, Carmel Bay, California - set of 5 tubes
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$ 7.85
sand - large-grained quartz dune sand from Monastery Beach, Carmel Bay, California - set of 5 tubes
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sand - large-grained quartz dune sand from Monastery Beach, Carmel Bay, California - set of 5 tubes

$ 7.85

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sandstone - fine grained buff Dakota Sandstone from the Lower Cretaceous near Vernal, Utah - teaching hand specimen
sandstone - fine grained buff Dakota Sandstone from the Lower Cretaceous near Vernal, Utah - teaching hand specimen
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$ 7.50
sandstone - fine grained buff Dakota Sandstone from the Lower Cretaceous near Vernal, Utah - teaching hand specimen
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sandstone - fine grained buff Dakota Sandstone from the Lower Cretaceous near Vernal, Utah - teaching hand specimen

$ 7.50

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serpentine - hand specimen from the Melones fault zone 1 left
serpentine - hand specimen from the Melones fault zone
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$ 9.50
serpentine - hand specimen from the Melones fault zone
1 left

serpentine - hand specimen from the Melones fault zone

$ 9.50

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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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$ 7.50
serpentine - teaching hand specimen from the Melones fault zone
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serpentine - teaching hand specimen from the Melones fault zone

$ 7.50

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shale - hard tan shale from the Green River Formation, an Eocene lacustrine petroleum source rock - teaching hand specimen
shale - hard tan shale from the Green River Formation, an Eocene lacustrine petroleum source rock - teaching hand specimen
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$ 7.50
shale - hard tan shale from the Green River Formation, an Eocene lacustrine petroleum source rock - teaching hand specimen
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shale - hard tan shale from the Green River Formation, an Eocene lacustrine petroleum source rock - teaching hand specimen

$ 7.50

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shale - teaching hand specimen of dark gray Upper Cretaceous Mowry Shale from Utah
shale - teaching hand specimen of dark gray Upper Cretaceous Mowry Shale from Utah
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$ 7.50
shale - teaching hand specimen of dark gray Upper Cretaceous Mowry Shale from Utah
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shale - teaching hand specimen of dark gray Upper Cretaceous Mowry Shale from Utah

$ 7.50

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tremolite (amphibole) asbestos - teaching hand specimen of fibers in a screw-cap pyrex tube 1 left
tremolite (amphibole) asbestos - teaching hand specimen of fibers in a screw-cap pyrex tube
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$ 9.50
tremolite (amphibole) asbestos - teaching hand specimen of fibers in a screw-cap pyrex tube
1 left

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

$ 9.50

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