13hljdis ((POLKOVICITE)), $5 MINIMUM BID, Greiger Mine, 30 mi w of Aranoss, South Africa, 6 x 5 x 2.5 cm, Miniature | |
Polkovicite is a Fe, Pb, Ge Sulfide. Mindat says brownish grey in color. This specimen is from a collection of micros and rare species in miniature sized specimens. A loop or microscope may be needed to view the actual species, especially crystals if present . |