20hhgd.r ((CALCITE, CALCITE variety COBALT BEARING, MALACHITE, HETEROGENITE)), $10 MINIMUM BID, Mashamba West Mine, Lualaba, DR Congo, 6 x 5 x 4 cm, Miniature | |
Matrix of Cobaltoan Chalcite, Malachite, and Heterogenite. One side has a druse of small Cobaltoan Calcite crystals with the other side having hexagonal crystals of Calcite with thin orange outter layer on the faces. Main crystal is good with side crystals damaged. ex Glen Davidson collection. |