13fb600420ewshis ((GYPSUM on HEMIMORPHITE)), $10 MINIMUM BID, Hidden Treasure Mine, Tooele County, Utah, 8 x 4 x 2 cm, Miniature | |
Here is an specimen collected circa 1990. It has grey botryoidal mounds of Hemimorphite covered with Gypsum. The is an unusual and neat specimen because is has two layers with gaps inbetween the two layers. The Gaps contain small gemmy free standing crystals of Gypsum. Gypsum is usually a coating but unusual as free standing crystals. These are small but neat from Hidden Treasure Mine. |