.79" Lustrous Chocolate Fluor-Buergerite Crystals - Mexico

This is a cluster of rare, lustrous, dark chocolate-brown fluor-buergerite crystals in matrix. They were collected from the fluor-buergerite occurrence in San Luis Potosí, Mexico.

The entire specimen measures .79" wide and is accompanied by an acrylic display case and mineral tack.

About Fluor-Buergerite

Fluor-buergerite, originally named buergerite, is a cyclosilicate mineral species belonging to the tourmaline group. It was first described for an occurrence in rhyolitic cavities near Mexquitic, San Luis Potosi, Mexico. It was approved as a mineral in 1966 by the IMA and named in honor of Martin J. Buerger, 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.

General Chemical Formula - NaFe3+3Al6(Si6O18)(BO3)3O3F
FOR SALE
$35
DETAILS
SPECIES
Fluor-Buergerite (Tourmaline Group)
LOCATION
Fluor-Buergerite Occurrence, Mexquitic de Carmona Municipality, San Luis Potosí, Mexico
SIZE
Entire Specimen: .79" wide
ITEM
#317398