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asbestos - tremolite (amphibole) asbestos - teaching hand specimen of fibers in a screw-cap pyrex tube
$ 9.50
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basalt - maroon vesicular basalt from a satellite cone on Mauna Loa - hand/display specimen
$ 12.50
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bituminous coal close to anthracite - Sufco Mine, Sevier County, Utah - UNIT OF 10 SMALLER SPECIMENS
$ 5.80
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brecciated rhyolite associated with gold mineralization - display specimen
$ 20.00
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calcite - calcite cleavage rhombs from Morocco - Unit of 12 smaller student specimens
$ 11.50
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