Malachite

The discovery of the Theodora Copper mine dates back to 1879, making it a significant historical site in the mining industry. Currently, the mine is closed Most malachite specimens from there were granular, showing no distinct form. This small vug displays a rainbow of fibrous green banding. Ex George Loud. Collected in 1999.

Theodora Mine, Herndon, Virginia

Composition: copper carbonate