کابرریت
Sign in to saveAnnabergite is an arsenate mineral consisting of a hydrous nickel arsenate. It is considered a member of the vivianite group and known for its ability to form crystals in a characteristic apple-green color.
Key facts
- Mineral.name
- Annabergite
- Mineral.image
- Annabergite-Siderite- Grece-1.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Annabergite (green) from Lavrion, Greece
- Mineral.category
- Arsenate minerals
- Mineral.formula
- Ni3(AsO4)2·8H2O
- Mineral.IMAsymbol
- Anb
- Mineral.strunz
- 8.CE.40
- Mineral.system
- Monoclinic
- Mineral.class
- Prismatic (2/m) (same H-M symbol)
- Mineral.symmetry
- C2/m
- Mineral.unit cell
- a = 10.179(2), b = 13.309(3) c = 4.725(1) [Å]; β = 105(1)°; Z = 2
- Mineral.color
- Apple-green, pale green, pale rose or pale pink, white, gray; may be zoned
- Mineral.habit
- Usually as fibrous veinlets, crystalline crusts, or earthy; rare as well formed crystals
- Mineral.cleavage
- Perfect on {010}, indistinct on {100} and {102}
- Mineral.tenacity
- Sectile
- Mineral.mohs
- 1.5–2.5
- Mineral.luster
- Subadamantine, pearly on cleavages, may be dull or earthy
via Wikipedia infobox
Wikidata facts
- Named after
- Annaberg-Buchholz
- Image
- Annabergite-Siderite- Grece-1.jpg
Show 8 more facts
- Nickel-Strunz 9th edition (updated 2009)
- 8.CE.40
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 8.CE.40
- crystal system
- monoclinic crystal system
- Commons category
- Annabergite
- described by source
- Encyclopædia Britannica 11th edition
- IMA Mineral Symbol
- Anb
- chemical formula
- Ni₃(AsO₄)₂·8H₂O
- Strunz 8th edition (series ID, updated)
- VII/C.10b
Sources (1)
via Wikidata · CC0