Selenite Fish-tail Twin
Collection
John Betts - Fine Minerals
Description
Thin twinned crystal of transparent Selenite variety of gypsum. The v-shaped end is called a fishtail twin because of it's resemblance to a fish's tail. The twin plane runs down the center. Ex. John A. Manley ca. 1890s.
Locality
Pleasant Valley, (Uintah County?), Utah
Dimensions
15 x 7 x 0.5 cm.
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