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amethyst - crystal clusters - set of five student specimens
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 - obsidian cores from a flow converting to perlite - classroom set of 10
Apache tears - obsidian cores from a flow converting to perlite - classroom set of 10
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$ 7.50
Apache tears - obsidian cores from a flow converting to perlite - classroom set of 10
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Apache tears - obsidian cores from a flow converting to perlite - classroom set of 10

$ 7.50

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asymmetrical ripple marks in siltstone from the Moenkopi Formation - teaching hand specimen Sold Out
asymmetrical ripple marks in siltstone from the Moenkopi Formation - teaching hand specimen
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$ 7.50
asymmetrical ripple marks in siltstone from the Moenkopi Formation - teaching hand specimen
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asymmetrical ripple marks in siltstone from the Moenkopi Formation - teaching hand specimen

$ 7.50

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colemanite - hydrous calcium borate from the Terry borate deposit, Inyo County, California - teaching hand specimen Sold Out
colemanite - hydrous calcium borate from the Terry borate deposit, Inyo County, California - teaching hand specimen
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$ 9.50
colemanite - hydrous calcium borate from the Terry borate deposit, Inyo County, California - teaching hand specimen
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colemanite - hydrous calcium borate from the Terry borate deposit, Inyo County, California - teaching hand specimen

$ 9.50

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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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$ 7.50
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

$ 7.50

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gypsum - sand selenite rose from a dry lake near Merzouga, Morocco
gypsum - sand selenite rose from a dry lake near Merzouga, Morocco
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$ 9.80
gypsum - sand selenite rose from a dry lake near Merzouga, Morocco
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gypsum - sand selenite rose from a dry lake near Merzouga, Morocco

$ 9.80

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limestone - hand/display specimen showing typical dissolved surface found in arid climates
limestone - hand/display specimen showing typical dissolved surface found in arid climates
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$ 7.50
limestone - hand/display specimen showing typical dissolved surface found in arid climates
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limestone - hand/display specimen showing typical dissolved surface found in arid climates

$ 7.50

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limestone - very light tan lacustrine limestone from the Eocene Green River Formation - teaching hand specimen
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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limestone - very light tan lacustrine limestone from the Eocene Green River Formation - teaching hand 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 Sold Out
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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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 - hand/display specimen 3 left
porcelanite - formed from the reprecipitation of silica during the conversion of siliceous sediments to sedimentary rock - Monterey Formation, CA - hand/display specimen
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$ 7.50
porcelanite - formed from the reprecipitation of silica during the conversion of siliceous sediments to sedimentary rock - Monterey Formation, CA - hand/display specimen
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3 left

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

$ 7.50

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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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$ 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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quartz crystal points - teaching student set of 6
quartz crystal points - teaching student set of 6
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$ 7.50
quartz crystal points - teaching student set of 6

quartz crystal points - teaching student set of 6

$ 7.50

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

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

$ 4.20

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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 4 left
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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4 left

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 3 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
3 left

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

$ 9.50

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