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
Athena-Hamlet Gold Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia


Locality type:Mine
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 Athena-Hamlet Gold Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
Data Identifiers
Mindat Occurrence Record ID:940543
Long-form Identifier:1:3:940543:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.5km (0.9 miles) ⓘDiana Gold Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
7.2km (4.5 miles) ⓘFoster Shoot, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
7.3km (4.5 miles) ⓘJunction Gold Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
7.5km (4.6 miles) ⓘConqueror Gold Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
8.5km (5.3 miles) ⓘLeviathan Gold Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
8.8km (5.5 miles) ⓘVictory-Defiance Gold Mine (Victory mine; Defiance mine; N31; Conqueror Lode), St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
8.8km (5.5 miles) ⓘEast Repulse Gold Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
9.5km (5.9 miles) ⓘBritannia-Sirius Gold Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
10.7km (6.7 miles) ⓘBellerophon-Nelson Gold Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
13.1km (8.1 miles) ⓘNeptune gold prospect, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
References
Howe, d. et al (2011), Discovery to Production-The Athena Gold Mine, 8th International Mining Geology Confernce 2011
Simon, I. (2019). Characterization of pentlandite-bearing quartz veins of Kambalda, Western Australia. MS dissertation, Colorado School of Mines.
 
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