Mineral "Quartz & Calcite"

Kallenhardt, Rüthen, Germany, private collection from Netherlands.

Reddish brown mineral cluster with white calcite and smaller quartz crystals. The condition of the sample is excellent. Age-related wear, fractures and minor cracks may appear. Dirt and dust may exist. Size approx. 6,9cm x 6,7cm x 3,2cm. Weight c. 190g.