Galena, Quartz, Chalcopyrite
Shiraita mine, Uonuma City, Niigata Prefecture, Japan
Two semi-sharp, metallic gray Galena cubes, 1.5 and 1.7 cm across, are in penetration on matrix consisting of a veinlet of small, tightly intergrown white Quartz crystals. Tiny blebs of massive Chalcopyite are included within the Quartz matrix.
Personal collection of Sharon Cisneros.
© Eugene & Sharon Cisneros