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gneiss - hand/display specimen of a Proterozoic granite gneiss
$ 12.50
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granodiorite - teaching hand/display specimen of a subduction-related granitic rock from the Sierra Nevada batholith
$ 9.50
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limestone - student specimens of a tan to gray silty limestone from the Jurassic Carmel Formation of Utah - Unit of 5 specimens
$ 4.20
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magnesite - white vitreous magnesite - teaching hand/display specimen
$ 9.50
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mudcracks in siltstone from the Timpoweap Member of the Moenkopi Formation
$ 20.00
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