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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Schorl from
Last Chance Mine (Maybe; Witherow Lease; Silver White), Sand Mountain, Avon Mining District (Mica Mountain Mining District), Latah County, Idaho, USA


Locality type:Mine
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Last Chance Mine (Maybe; Witherow Lease; Silver White), Sand Mountain, Avon Mining District (Mica Mountain Mining District), Latah County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:216320
Long-form Identifier:1:3:216320:8
GUID (UUID V4):0
Nearest other occurrences of Schorl
59.8km (37.1 miles) ⓘMoses Butte, Shoshone County, Idaho, USA
73.0km (45.4 miles) ⓘFohl picnic area, Pierce Divide occurrence, Pierce City Mining District (Placer Mining District), Clearwater County, Idaho, USA
74.7km (46.4 miles) ⓘTrimmed Tree Hill, Shoshone County, Idaho, USA
85.8km (53.3 miles) ⓘMica Peak (Mount Mica), Spokane Area, Spokane County, Washington, USA
94.1km (58.5 miles) ⓘSilver Hill area, Silver Hill, Silver Hill Mining District, Spokane County, Washington, USA
References
Ream, Lanny R. (1995) Idaho: Mineral Locality Index. Rocks & Minerals, 70 (4) 242-263 doi:10.1080/00357529.1995.9926628
 
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