siderophyllite
Sign in to saveSiderophyllite is a rare member of the mica group of silicate minerals with formula KFe2+2Al(Al2Si2)O10(F,OH)2.
Wikidata facts
- Subclass of
- biotite series
- Named after
- leaf
- Image
- Zinnwaldite2.jpg
Show 6 more facts
- IMA Mineral Symbol
- Sid
- Commons category
- Siderophyllite
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.EC.20
- Nickel-Strunz 9th edition (updated 2009)
- 9.EC.20
- type locality (geology)
- Pikes Peak
- Strunz 8th edition (series ID, updated)
- VIII/E.05b
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Encyclopedic overview
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Siderophyllite is a rare member of the mica group of silicate minerals with formula KFe2+2Al(Al2Si2)O10(F,OH)2.
The mineral occurs in nepheline syenite pegmatites and granite and aplite greisens. It is associated with microcline and astrophyllite at Pikes Peak, Colorado. It is also found in the alkali pegmatites of Mont Saint-Hilaire, Quebec.
Excerpted from Wikipedia’s “siderophyllite” article, available under the CC BY-SA 4.0 licence.