510-9ldors ((SPHALERITE, DOLOMITE pseudomorph after CALCITE, GALENA, PYRITE)), $15 MINIMUM BID, Naica, Chihuahua, Mexico, 6.5 x 4.5 x 2 cm, Cabinet | |
Black lustrous undamaged Sphalerite from Naica. Across the Sphalerite are bands of Calcite scalenohedral crystals now pseudomorphed to Dolomite. Also associated Calcite and minor Galena and Pyrite. |