20hhce.is ((GYPSUM Twin)), $15 MINIMUM BID, Great Salt Lake Minerals, GSLM, Property near Lakeside, Union Pacific RR site, Box Elder County, Utah, 8 x 5 x 2 cm, Cabinet | |
Two intergrown twinned opaque Gypsum crystals. Typically these twinned Gypsum crystals are translucent and subject to cleaving easily. They are unusual in that they are opaque and are most more durable against cleaving. They are from an different area than is usually accessible to collecting |