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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Grossular from
Uncle Sam Mine, Index Mining District, Snohomish County, Washington, USA


Locality type:Mine
Classification
Species:Grossular
Formula:Ca3Al2(SiO4)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Grossular data
Locality Data:Click here to view Uncle Sam Mine, Index Mining District, Snohomish County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:98130
Long-form Identifier:1:3:98130:7
GUID (UUID V4):0
Nearest other occurrences of Grossular
22.7km (14.1 miles) ⓘSunrise Prospect, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
23.3km (14.5 miles) ⓘVesper Peak, Sultan Mining District, Snohomish County, Washington, USA
23.7km (14.7 miles) ⓘ48-55 Mine, Vesper Peak, Sultan Mining District, Snohomish County, Washington, USA
35.0km (21.8 miles) ⓘGreen Mountain/Bessemer Ridge, Snoqualmie Mining District, King County, Washington, USA
40.2km (25.0 miles) ⓘGuye Mine, Snoqualmie Mining District, King County, Washington, USA
40.8km (25.3 miles) ⓘDenny Mountain, Snoqualmie Mining District, King County, Washington, USA
41.9km (26.0 miles) ⓘDenny Gulch, Denny Mountain, Snoqualmie Mining District, King County, Washington, USA
42.9km (26.6 miles) ⓘPaddy-go-Easy Pass occurrences, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA
61.5km (38.2 miles) ⓘDeer Creek, Snohomish County, Washington, USA
83.8km (52.0 miles) ⓘBoston Mine, Cascade River, Cascade Mining District, Skagit County, Washington, USA
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.
 
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