1600433hhshoss.r ((BIRNESSITE on CALCITE)), $10 MINIMUM BID, 300 foot level, Gold Hill Mine, Tooele County, Utah, 5 x 4.5 x 4 cm, Miniature | |
Undamaged except for minor chipping Calcite specimen covered with presumably black Birnessite. I have not seen these previously but this form were also in the flat with the previous typical Birnessite Calcite combination specimens. ex Solon Hammack collection circa 1990. |