| 00961: Gypsum - $38 Great Salt Plains, Salt Plains National Wildlife Refuge, Alfalfa County, Oklahoma Cabinet - 13.0 x 4.9 x 1.6 cm 113 grams Specimen status: Available Send an email with specimen number to order A well-formed, doubly terminated
gypsum crystal from the classic Oklahoma locality. Twinned along the
c-axis. Large for the species/locality and in excellent
condition.
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