Calcite on Quartz - , USA - The geode is about 20 cm. The Calcites are about 2.5 cm.

Mineral: Calcite on Quartz
Locality: Washington County, Indiana, USA
Dimensions: The geode is about 20 cm. The Calcites are about 2.5 cm.

Description: Private land, Washington County Indiana. Collected in 2015. I also have the "cap" part of this example. Insured with my others. Also, as many of my larger specimens are, very photogenic.