fluor-buergerite
Sign in to saveAlso known as IMA1965-005, Fbu, 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.
Key facts
- Mineral.name
- Fluor-buergerite
- Mineral.image
- Buergerite-179849.jpg
- Mineral.imagesize
- 170px
- Mineral.category
- Cyclosilicate tourmaline
- Mineral.formula
- NaFe3+3Al6(BO3)3Si6O18(O,F,OH)4
- Mineral.IMAsymbol
- Fbu
- Mineral.strunz
- 9.CK.05
- Mineral.color
- Bronze, Dark Brown, Black, Dark Purple
- Mineral.system
- Trigonal
- Mineral.class
- Ditrigonal pyramidal (3m) H-M symbol: (3m)
- Mineral.symmetry
- R3m
- Mineral.cleavage
- Distinct prismatic
- Mineral.mohs
- 7
- Mineral.refractive
- nω = 1.735 nε = 1.655
- Mineral.opticalprop
- Uniaxial (-)
- Mineral.birefringence
- δ = 0.080
- Mineral.streak
- yellowish brown
- Mineral.gravity
- 3.31
via Wikipedia infobox
Wikidata facts
- Subclass of
- tourmalines
- Named after
- fluorine
- Image
- Buergerite-238918.jpg
Show 6 more facts
- crystal system
- trigonal crystal system
- Commons category
- Buergerite
- Nickel-Strunz 9th edition (updated 2009)
- 9.CK.05
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.CK.05
- IMA Mineral Symbol
- Fbu
- chemical formula
- Na(Fe³⁺₃)Al₆(Si₆O₁₈)(BO₃)₃O₃F
Sources (1)
via Wikidata · CC0
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Encyclopedic overview
1 sectionsContents
- References
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.
==References==
Excerpted from Wikipedia’s “fluor-buergerite” article, available under the CC BY-SA 4.0 licence.