fluoro-richterite
Sign in to saveAlso known as IMA1992-020
Fluororichterite is a rare amphibole with formula Na(NaCa)Mg5Si8O22F2.
Wikidata facts
- Image
- Fluororichterite-Calcite-280570.jpg
Show 9 more facts
- IMA Mineral Symbol
- Flrct
- chemical formula
- Na(NaCa)Mg₅Si₈O₂₂F₂
- Commons category
- Fluoro-richterite
- type locality (geology)
- Ilmen Nature Reserve
- crystal system
- monoclinic crystal system
- streak color
- white
- Mohs' hardness
- 5.5
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.DE.20
- Nickel-Strunz 9th edition (updated 2009)
- 9.DE.20
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Encyclopedic overview
2 sectionsContents
- Occurrence
- References
Fluororichterite is a rare amphibole with formula Na(NaCa)Mg5Si8O22F2.
==Occurrence== Fluororichterite was first reported from the Ilmen Nature Reserve, Ilmen Mountains, Chelyabinsk Oblast', Southern Urals, Russia. It was recognized by the International Mineralogical Association in 1994. Its name is derived from its fluorine content and relation to richterite.
Excerpted from Wikipedia’s “fluoro-richterite” article, available under the CC BY-SA 4.0 licence.