Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Biotite from
Lone Pine Mine, Tenmile Mining District, Idaho County, Idaho, 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 Lone Pine Mine, Tenmile Mining District, Idaho County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:448802
Long-form Identifier:1:3:448802:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
37.7km (23.4 miles) ⓘDixie Comstock Mine, Dixie Mining District, Idaho County, Idaho, USA
41.9km (26.0 miles) ⓘWoodrat Mountain Kyanite Prospect, Woodrat Mountain Mining District, Idaho County, Idaho, USA
43.4km (27.0 miles) ⓘGold Dust Sonny Placer, Salmon River Breaks Primitive Area, Idaho County, Idaho, USA
44.2km (27.5 miles) ⓘGaines Bar (Rhett Creek Placer; Billie Placer), Dixie Mining District, Idaho County, Idaho, USA
44.6km (27.7 miles) ⓘBig Mallard Bar, Salmon River Breaks, Salmon River Breaks Primitive Area, Idaho County, Idaho, USA
45.4km (28.2 miles) ⓘYellow Pine Bar, Salmon River Breaks Primitive Area, Idaho County, Idaho, USA
45.5km (28.3 miles) ⓘBoise Bar, Dixie Mining District, Idaho County, Idaho, USA
45.5km (28.3 miles) ⓘMoore Bar (Slide Creek Placer Claim), Salmon River Breaks Primitive Area, Idaho County, Idaho, USA
45.7km (28.4 miles) ⓘGroundhog Bar Placer (Fall Creek Bar Placer), Salmon River Mining District, Idaho County, Idaho, USA
45.7km (28.4 miles) ⓘAllison Ranch Placer, Salmon River Breaks, Salmon River Breaks Primitive Area, Idaho County, Idaho, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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