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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Muscovite from
Green Ridge, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA


Locality type:Ridge
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz2
- var Amethyst1
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Green Ridge, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:975697
Long-form Identifier:1:3:975697:7
GUID (UUID V4):0
Localities for Muscovite in this Region
Purple Hope No. 4 claim, Purple Hope claims, Green Ridge, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
Nearest other occurrences of Muscovite
0.6km (0.4 miles) ⓘPurple Hope No. 4 claim, Purple Hope claims, Green Ridge, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
6.5km (4.1 miles) ⓘPuffball claim, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
7.1km (4.4 miles) ⓘPorter Claim, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
7.5km (4.7 miles) ⓘCondor-Hemlock Mine, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
9.3km (5.8 miles) ⓘRainy Mine, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
9.8km (6.1 miles) ⓘCrawford Creek Breccia, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
11.3km (7.0 miles) ⓘCleopatra Mine, Miller River Mining District, King County, Washington, USA
12.2km (7.6 miles) ⓘBear Basin Mines, Buena Vista Mining District, King County, Washington, USA
12.9km (8.0 miles) ⓘBlack Dike Prospect, Miller River Mining District, King County, Washington, USA
13.1km (8.1 miles) ⓘGifford Ridge, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
References
John Lindell field-collected specimens.
 
and/or  
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