Calcite and Dolomite on Quartz - State Route 37 road cuts, Harrodsburg, USA - 8.5 cm geode with a 5 cm cavity containing a 3.6 cm calcite surrounded by dolomite and quartz crystals

Mineral: Calcite and Dolomite on Quartz
Locality: State Route 37 road cuts, Harrodsburg, Clear Creek Township, Monroe County, Indiana, USA
Dimensions: 8.5 cm geode with a 5 cm cavity containing a 3.6 cm calcite surrounded by dolomite and quartz crystals

Description: A very unusual flat sided example, self collected about 10 years ago