チャロアイト
Sign in to saveAlso known as IMA1977-019
Charoite ( ) is a rare silicate mineral with the chemical composition , first described in 1978. It is named after the Chara River, despite its being away from the discovery place. When it was discovered, it was thought to be a fake, dyed purple to give it its striking appearance.
Key facts
- Mineral.name
- Charoite
- Mineral.category
- Silicate mineral
- Mineral.boxbgcolor
- e181de
- Mineral.image
- Czaroit1.jpg
- Mineral.IMAsymbol
- Cha
- Mineral.system
- Monoclinic
- Mineral.class
- Prismatic (2/m) (same H-M symbol)
- Mineral.symmetry
- P21/m
- Mineral.color
- Violet, lilac, light brown
- Mineral.habit
- Fibrous, massive
- Mineral.cleavage
- Good in three directions
- Mineral.fracture
- Conchoidal
- Mineral.mohs
- 5 - 6
- Mineral.luster
- Vitreous to pearly
- Mineral.refractive
- nα = 1.550 nβ = 1.553 nγ = 1.559
- Mineral.opticalprop
- Biaxial (+)
- Mineral.birefringence
- 0.009
- Mineral.fluorescence
- Weakly fluorescent
via Wikipedia infobox
Wikidata facts
- Subclass of
- inosilicate
- Named after
- Chara
- Image
- Charoite MFrey.jpg
Show 6 more facts
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.DG.92
- Commons category
- Charoite
- Nickel-Strunz 9th edition (updated 2009)
- 9.DG.92
- streak color
- white
- IMA Mineral Symbol
- Cha
- chemical formula
- (K,Sr)₁₅-₁₆(Ca,Na)₃₂[Si₆O₁₁(O,OH)₆]₂[Si₁₂O₁₈(O,OH)₁₂]₂[Si₁₇O₂₅(O,OH)₁₈]₂(OH,F)₄ * ~₃H₂O
Sources (2)
via Wikidata · CC0
Article · 日本語
チャロアイト (charoite) は、ロシア連邦サハ共和国を流れるで調査・発見され、1978年に認定された新鉱物。世界三大の一つとされる。石言葉は「魅惑」。
Abstract from DBpedia / Wikipedia · CC BY-SA