44165: Polyhalite - $12 Carlsbad Potash Mining District, Eddy County, New Mexico Small cabinet - 9.0 x 6.7 x 3.5 cm 420 grams Specimen status: Available Send an email with specimen number to order A drill core sample, split in half, composed almost exclusively of polyhalite. Minor, colorless material is also seen; this is probably halite. Polyhalite is a hydrated potassium calcium magnesium sulfate - K |
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