AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Utah > Gypsum var. Selenite Fish-tail Twin |
DESCRIPTION: | No. 35370 |
Mineral: | Gypsum var. Selenite Fish-tail Twin |
Locality: | Pleasant Valley, (Uintah County?), Utah |
Description: | Thin twinned crystal of transparent selenite variety of gypsum. The v-shaped end is called fish-tail twin because of it's resemblance to a fish's tail. The twin plane runs down the center. Ex. John A. Manley (1861-1936) ca. 1890s |
Overall Size: | 15x7x.5 cm |
Crystals: | 15 cm |
Archived: | For reference only |
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