20hhgd.is ((CALCITE, CONICHALCITE)), $30 MINIMUM BID, Ojuela Mine, Mapimi, Durango, Mexico, 11 x 4 x 2.5 cm, Cabinet | |
Green Conichalcite covering the matrix with lustrous undamaged Calcite crystals on the contrasting Conichalcite from Mexico. ex Glenn Davidson specimen |