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
Wilkerson Tract Mine (M. Wilkerson Tract Mine), Chestnut Creek Segment, Gossan Lead Mining District, Southern Section-Blue Ridge Province, Carroll County, Virginia, 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:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Wilkerson Tract Mine (M. Wilkerson Tract Mine), Chestnut Creek Segment, Gossan Lead Mining District, Southern Section-Blue Ridge Province, Carroll County, Virginia, USA
Data Identifiers
Mindat Occurrence Record ID:343572
Long-form Identifier:1:3:343572:4
GUID (UUID V4):0
Nearest other occurrences of Biotite
14.2km (8.8 miles) ⓘCranberry Copper Mine, Cranberry Creek Segment, Gossan Lead Mining District, Southern Section-Blue Ridge Province, Carroll County, Virginia, USA
14.9km (9.2 miles) ⓘFairmont Copper Mine (Fairmount Copper Mine), Cranberry Creek Segment, Gossan Lead Mining District, Southern Section-Blue Ridge Province, Carroll County, Virginia, USA
14.9km (9.3 miles) ⓘBrown and Stephenson Mine (Brown and Stevenson Mine), Cranberry Creek Segment, Gossan Lead Mining District, Southern Section-Blue Ridge Province, Carroll County, Virginia, USA
21.3km (13.2 miles) ⓘBetty Baker Mine (Bettie Baker Mine; Paint Bank Mine; Carter Mine), Betty Baker Segment, Gossan Lead Mining District, Southern Section-Blue Ridge Province, Carroll County, Virginia, USA
25.6km (15.9 miles) ⓘBald Knob deposit, Bald Knob, Sparta, Alleghany County, North Carolina, USA
37.8km (23.5 miles) ⓘMount Airy quarries, Surry County, North Carolina, USA
45.8km (28.5 miles) ⓘHilton Prospect (Hylton Prospect), Southern Lead, Southern Section-Blue Ridge Province, Floyd County, Virginia, USA
46.7km (29.0 miles) ⓘBelcher Prospect (Weddle Prospect; Old Copper Mine), Southern Lead, Southern Section-Blue Ridge Province, Floyd County, Virginia, USA
47.7km (29.6 miles) ⓘSutherland Prospect (Nowlin Mine; Fisher; Hylton), Southern Lead, Southern Section-Blue Ridge Province, Floyd County, Virginia, USA
49.1km (30.5 miles) ⓘToncrae Mine (Toncrae-Howard Mine; Toncray Mine), Southern Lead, Southern Section-Blue Ridge Province, Floyd County, Virginia, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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