Calcite and wulfenite on iron oxide matrix Chalcopyrite with a light green glow

with a light green glow to the pink berry formation

Pink chalcedony often grows shapes like a nest

The aquamarine is perched atop irregular opaque white mineral on the specimen

75 x 2 x 1

Spherulites are typically crystalized feldspar forming within volcanic igneous quartz-based rock

Calcite and wulfenite on iron oxide matrix Chalcopyrite with a light green glowLocale: Glove Mine, Santa Cruz County, Arizona Approx size: 5 x 4 x 2. 5" Approx weight: 672g (almost 1 1 2 lb) ** Brittle warning! This material is brittle and may shed pieces, use caution when handling. ** Staining warning! The soft oxidized matrix will leave dark dusty staining on surfaces and your skin. This specimen from the Glove Mine in southern Arizona looks messy and chaotic at first glance, but it is an excellent piece for studying the