xt CHALCOPYRITE, QUARTZ, San Martin Mine, San Martin, Zacatecas, Mexico, 12 x 4 x 4 cm | |
The bottom of the specimen shows the yellow gold color typical of Chalcopyrite. The specimen is covered with Chalcopyrite crystals that have some iridescent colors. The Chalcopyrite crystals are also covered with terminated Quartz crystals. |