1600433hhshoss.r ((BIRNESSITE on CALCITE)), $15 MINIMUM BID, 300 foot level, Gold Hill Mine, Tooele County, Utah, 7 x 3.5 x 3 cm, Cabinet, | |
Undamaged exceptional stout undamaged typical specimen of Calcite with black granular Birnessite and Birnessite inclusions darkening the Calcite. ex Solon Hammack collection circa 1990. |