William Butkowski

Adamite from Mexico, Durango, Mapimí, Ojuela Mine image

Adamite from Mexico, Durango, Mapimí, Ojuela Mine

Frank A. Imbriacco III

9

Calcite, USA, New Jersey, Little Falls, Houdaille Quarry image

Calcite, USA, New Jersey, Little Falls, Houdaille Quarry

Frank A. Imbriacco III

7

Azurite from USA, Arizona, Cochise County, Bisbee image

Azurite from USA, Arizona, Cochise County, Bisbee

Frank A. Imbriacco III

17

Prehnite epimorph after anhydrite, USA, Prospect Park, Prospect Park Quarry image

Prehnite epimorph after anhydrite, USA, Prospect Park, Prospect Park Quarry

Frank A. Imbriacco III

7