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dolomite - student specimens of Ordovician dolomite - Unit of 10 smaller specimens
$ 5.80
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glass - teaching hand specimen of natural glass formed by combustion metamorphism of shale
$ 12.50
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marble - large-grained white marble - hand/display specimen
$ 9.50
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schist - teaching student specimens of fine-grained gray mica schist UNIT OF 5 SPECIMENS
$ 4.20
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schist - greenschist facies of the Pelona schist - UNIT OF 5 STUDENT SPECIMENS
$ 4.20
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