7atkrr ((CHALCOPYRITE, PYRITE, QUARTZ on SPHALERITE)) $10 MINIMUM BID, Zacatecas, Mexico, x x x x x cm, Miniature | |
Large Chalcopyrite coated with oxidation making it dark with lustrous striated Pyrite crystals and some smaller Quartz crystals. These on a underlining matrix of Sphalerite. |