Mineral Specimen #4675 Quartz with Calcite and Minor Sphalerite and Chalcopyrite
Cave-In-Rock, Hardin Co., Illinois
Ex. A. Neely, 1960s
A plate of off white colored, stubby Quartz crystals; unusual for a specimen from Cave-In-Rock. The crystals are translucent and have a glossy luster. There is also minor Sphalerite on one edge of the top of the specimen and on the bottom of the specimen. There is also some small iridescent Chalcopyrite crystals on the bottom of the specimen.
Condition: Very Good
Flaws: Some of the terminations of the Calcite crystals are chipped.