Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Biotite from
Goldbug Mine, Artillery Mountains, Mohave County, Arizona, USA


08991870017370142223987.jpg
Biotite, etc.

Goldbug Mine, Artillery Mountains, Mohave County, Arizona, USA
08991870017370142223987.jpg
Biotite, etc.

Goldbug Mine, Artillery Mountains, Mohave County, Arizona, USA
02792240017272086804432.jpg
Biotite, etc.

Goldbug Mine, Artillery Mountains, Mohave County, Arizona, USA
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:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Feldspar Group2
Quartz2
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Goldbug Mine, Artillery Mountains, Mohave County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:1470741
Long-form Identifier:1:3:1470741:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
14.3km (8.9 miles) ⓘOlea claims, Greenwood Mining District, Poachie Range, Mohave County, Arizona, USA
31.1km (19.3 miles) ⓘJeep claims, Yavapai County, Arizona, USA
38.6km (24.0 miles) ⓘUnnamed Au-W occurrence [1], Dutch Flat, Chemehuevis Mining District, Mohave Mountains, Mohave County, Arizona, USA
43.7km (27.1 miles) ⓘBagdad Mine, Bagdad, Eureka Mining District, Yavapai County, Arizona, USA
44.7km (27.8 miles) ⓘBig Strike Mica deposit (Space Age Mica Mine; Richard Jonathon 1-3 claims), Yavapai County, Arizona, USA
45.4km (28.2 miles) ⓘKitten No. 1 claim, Yavapai County, Arizona, USA
46.9km (29.1 miles) ⓘRare Metals Mine (Waldren Mining Company Mine), Aquarius Mountains, Mohave County, Arizona, USA
50.3km (31.3 miles) ⓘDutch Flat Mine, Dutch Flat, Chemehuevis Mining District, Mohave Mountains, Mohave County, Arizona, USA
55.5km (34.5 miles) ⓘWagon Bow pegmatites, Aquarius Mountains, Mohave County, Arizona, USA
59.6km (37.0 miles) ⓘCopper World Mine (Pacific Copper Mine), Yucca, Boriana Canyon, Boriana Mining District, Hualapai Mountains, Mohave County, Arizona, USA
References
Luetcke, Rolf (n.d.) Personal communication.
 
and/or  
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