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anorthosite - gray/white anorthosite similar to the specimens brought back from the moon by the Apollo astronauts - hand/display specimen
$ 9.50
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aragonite - "cave calcite" - El Potosi Mine, Santa Eulalia Mining District, Chihuahua - display specimen
$ 50.00
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asbestos - tremolite (amphibole) asbestos - teaching hand specimen of fibers in a screw-cap pyrex tube
$ 10.50
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biotite mica - teaching student specimens collected from a pegmatite at Cardiff, Ontario - Unit of 5 specimens
$ 5.50
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chert - banded chert from the Monterey Formation, California - large hand/display specimen
$ 12.50
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galena - teaching hand specimen of the primary ore of lead
$ 7.50
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gneiss - hand/display specimen of a Proterozoic granite gneiss
$ 12.50
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graywacke - teaching student specimens of a gray dirty sandstone - Unit of 5 specimens
$ 4.20
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