ANDESINE
Andesine. It is a feldspar composed of 50-70% albite and 30-50% anorthite. It was first described in 1841, discovered in the Marmato mine, Colombia. Its name comes from the Andes mountains of South America.

Andesine. It is a feldspar composed of 50-70% albite and 30-50% anorthite. It was first described in 1841, discovered in the Marmato mine, Colombia. Its name comes from the Andes mountains of South America.