Key facts
- Mineral.name
- Annite
- Mineral.category
- Phyllosilicate minerals
- Mineral.group
- Mica group, trioctahedral mica group, biotite subgroup
- Mineral.image
- Annite-pas-130ab.jpg
- Mineral.caption
- Annite sample
- Mineral.formula
- KFe32+AlSi3O10(OH,F)2
- Mineral.IMAsymbol
- Ann <!--not a parameter
- Mineral.molecular weight
- 512.88 g/mol -->
- Mineral.strunz
- 9.EC.20
- Mineral.system
- Monoclinic
- Mineral.class
- Prismatic (2/m) (same H-M symbol)
- Mineral.symmetry
- C2/m
- Mineral.unit cell
- a = 5.39, b = 9.33 c = 10.29 [Å]; β = 100°; Z = 2
- Mineral.color
- Brown to black
- Mineral.habit
- Usually in "blocks" of thin sheets or as aggregations of foliated thin scales. Includes large, well formed pseudohexagonal prisms up to 12 cm across and 15 cm long.
- Mineral.twinning
- Contact twins with composition surface on {001} and twin axis {310}
- Mineral.cleavage
- Perfect in one direction {001}
- Mineral.fracture
- Uneven
via Wikipedia infobox
Wikidata facts
- Subclass of
- biotite series
- Named after
- Cape Ann
- Image
- Annite-pas-130ab.jpg
Show 7 more facts
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.EC.20
- Nickel-Strunz 9th edition (updated 2009)
- 9.EC.20
- Commons category
- Annite
- type locality (geology)
- Rockport
- crystal system
- monoclinic crystal system
- IMA Mineral Symbol
- Ann
- Strunz 8th edition (series ID, updated)
- VIII/E.05b
via Wikidata · CC0
Article · Italiano
La annite è un minerale appartenente al gruppo delle miche.
Abstract from DBpedia / Wikipedia · CC BY-SA