Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Biotite from
Malasongduo Cu-Mo deposit, Zhag'yab Co. (Chaya Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China


Locality type:Deposit
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Malasongduo Cu-Mo deposit, Zhag'yab Co. (Chaya Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China
Data Identifiers
Mindat Occurrence Record ID:452634
Long-form Identifier:1:3:452634:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
16.7km (10.4 miles) ⓘDuoxiasongduo Cu-(Mo) deposit, Karuo District, Qamdo Prefecture (Changdu Prefecture), Tibet, China
17.4km (10.8 miles) ⓘMangzong Cu-(Mo) deposit, Karuo District, Qamdo Prefecture (Changdu Prefecture), Tibet, China
39.5km (24.6 miles) ⓘZhanaga Cu-(Mo) deposit, Karuo District, Qamdo Prefecture (Changdu Prefecture), Tibet, China
47.2km (29.3 miles) ⓘYulong Cu-(Mo) deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China
74.8km (46.5 miles) ⓘHengxingcuo Cu-(Mo) deposit, Karuo District, Qamdo Prefecture (Changdu Prefecture), Tibet, China
94.4km (58.6 miles) ⓘBaomai porphyry Cu-Mo deposit, Karuo District, Qamdo Prefecture (Changdu Prefecture), Tibet, China
References
pubs.usgs.gov (2006) http://pubs.usgs.gov/of/2005/1060/PorCu.txt
 
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