5atdmr ((GYPSUM variety SELENITE)), $10 MINIMUM BID, Hanksville, Utah, 28 x 3.5 x 2.5 cm, Cabinet | |
Here is a specimen of a long single crystal of Gypsum. It has brown dirt inclusions and so not the best looking specimen in the world. The one end has inclusions of small black specks. These are a Manganese mineral. and are sometimes found in Utah Selenite. |