01hhsh.r ((BIRNESSITE on CALCITE)), $6 MINIMUM BID, Gold Hill Mine, Tooele County, Utah, 4 x 4 x 3 cm, Miniature | |
Calcite crystals in a crude cornucopia shape with black Birnessite, an uncommon mineral, in the voids at the open end. Brownish stain may be from Birnessite also |