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
Mount Roosevelt, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA


Locality type:Mountain
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 Mount Roosevelt, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:192197
Long-form Identifier:1:3:192197:7
GUID (UUID V4):0
Nearest other occurrences of Schorl
7.2km (4.5 miles) ⓘGranite Mountain, King County, Washington, USA
9.2km (5.7 miles) ⓘCommonwealth Prospect, Snoqualmie Mining District, King County, Washington, USA
13.8km (8.6 miles) ⓘScout Patrol Peak, Hansen Creek area, Snoqualmie Mining District, King County, Washington, USA
15.7km (9.7 miles) ⓘMount Teneriffe breccia, Snoqualmie Mining District, King County, Washington, USA
19.3km (12.0 miles) ⓘCalligan Lake, Snoqualmie Mining District, King County, Washington, USA
19.6km (12.2 miles) ⓘBlack Dike Prospect, Miller River Mining District, King County, Washington, USA
20.5km (12.7 miles) ⓘDutch Miller Gap, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
21.2km (13.2 miles) ⓘLennox Creek Roadcut, Buena Vista Mining District, King County, Washington, USA
22.4km (13.9 miles) ⓘMonte Carlo Mine, Buena Vista Mining District, King County, Washington, USA
47.0km (29.2 miles) ⓘGood Luck Prospect, Silver Creek Mining District, Snohomish County, Washington, USA
References
Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.
 
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