Fluor-buergerite
A variety of Tourmaline Group
What is Fluor-buergerite?
Fluor-buergerite, originally named buergerite, is a 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 (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.
Optical Properties
- Pleochroism
- Yellow-brown, very pale yellow
- Optical Character
- Uniaxial negative
Fluor-buergerite Market Value Calculator
Estimate the market value of Fluor-buergerite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Fluor-buergerite Localities Map
See where Fluor-buergerite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Bronzish-brown to dark-brown
- Hardness (Mohs)
- 7
- Density
- 3.311 g/cm³
- Streak
- Brown
Chemical Properties
- Chemical Formula
- Na(Fe3+3)Al6(Si6O18)(BO3)3O3F
- Elements
- Al, B, F, Fe, Na, O, Si
Identify Fluor-buergerite Instantly
- Snap a photo, get instant results
- 6,700+ rocks, minerals & crystals
- Discover collecting spots near you
