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
Pinchbeck No. 1 Mine (Pitchbeck No. 1 Mine; Pinchback Property Mine 63), Amelia (Amelia Court House), Amelia 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 Pinchbeck No. 1 Mine (Pitchbeck No. 1 Mine; Pinchback Property Mine 63), Amelia (Amelia Court House), Amelia County, Virginia, USA
Data Identifiers
Mindat Occurrence Record ID:342880
Long-form Identifier:1:3:342880:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
4.0km (2.5 miles) ⓘBerry Mine, Amelia (Amelia Court House), Amelia County, Virginia, USA
4.1km (2.5 miles) ⓘRutherford Mines, Amelia (Amelia Court House), Amelia County, Virginia, USA
5.5km (3.4 miles) ⓘMorefield Mine (Morefield pegmatite), Winterham, Amelia County, Virginia, USA
5.6km (3.5 miles) ⓘAmelia (Amelia Court House), Amelia County, Virginia, USA
19.1km (11.9 miles) ⓘWhite Peak Mines Nos. 1 through 4 (Miller Mine; Purcell Mine), Flat Rock, Powhatan County, Virginia, USA
20.8km (12.9 miles) ⓘFarley Mine, Powhatan County, Virginia, USA
40.1km (24.9 miles) ⓘNuckols Prospect, Goochland County, Virginia, USA
43.1km (26.8 miles) ⓘGreeley Mine (Aye's Mine; Ayres Mine), Gold-Pyrite Belt, Buckingham County, Virginia, USA
45.3km (28.1 miles) ⓘWillis Mountain Mine, Sprouses Corner, Farmville Mining District, Buckingham County, Virginia, USA
45.4km (28.2 miles) ⓘMargaret Mine (Terrell Mine), New Canton, Gold-Pyrite Belt, Buckingham County, Virginia, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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