| 31265: Gypsum - $40 Marie Mine, Pryor Mountains, Carbon County, Montana Large cabinet - 17.5 x 6.3 x 4.4 cm 186 grams Specimen status: Reserved Send an email with specimen number to order A large, somewhat curved, bifurcated
gypsum specimen. Translucent. Like virtually all material
of this nature the specimen has no distinct termination.
From a locality best known for uranium minerals.
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