Mineral Specimens

Corundum Specimen, Approx. 1" (3cm)
Galena Specimen, Approx. 1" (3cm)
Graphite (Pure Carbon) Specimen, Approx. 1" (3cm)
Gypsum Specimen, Approx. 1" (3cm)
Halite Specimen, Approx. 1" (3cm)
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