Minerals identify

Know how to recognize them

Buergerite

Cyclosilicate,tourmaline

Fluor-buergerite, originally named buergerite, is a mineral species belonging to the tourmaline group. It was first described for an occurrence in rhyolitic near Mexquitic, San Luis Potosi. It was approved as a mineral in 1966 by the IMA and named in honor of Martin J. Buerger (1903–1986), professor of mineralogy at the Massachusetts Institute of Technology. It has also been reported from Minas Gerais, Brazil , and the Central Bohemia Region of the Czech Republic

Identification

Color of mineral

Bronze
Brown
Black
Purple

Mohs scale ( mineral hardness )

7

The streak

Brown
Yellow

Density ( specific gravity )

1.735
1.655

Crystal ( diaphaneity )

Trigonal