Pinolith Palm Stone #1 purple It is a cobalt arsenide

It is a cobalt arsenide mineral

This lovely Chocolate Calcite specimen from Mexico shows multi generational growth in both white and a chocolate brown Calcite

Although the technical term would be ironstone concretion

This rare Hambergite crystal is from Pakistan

the yellow colour coming from the presence of iron oxide

Pinolith Palm Stone #1 purple It is a cobalt arsenideThis rare Pinolith palmstone fits well in the hand, you will receive the exact Pinolith crystal pictured. Pinolith, also known as Pinolite, is composed of Magnesite, Graphite and Dolomite, so is a wonderful combination of these three minerals. The white yellow sections are small crystals of Magnesite, and it is classed as a dolomitic marble. Due to the shape of these Magnesite crystals resembling elongated pine nuts, they lent their name to Pinolith,