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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Diopside from
Copper Lake, Williamson Creek, Sultan Mining District, Snohomish County, Washington, USA


Locality type:Prospect
Classification
Species:Diopside
Formula:CaMgSi2O6
Comments:in marble
Habit:equant crystals
Colour:emerald Green
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Diopside data
Locality Data:Click here to view Copper Lake, Williamson Creek, Sultan Mining District, Snohomish County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:96091
Long-form Identifier:1:3:96091:5
GUID (UUID V4):0
Nearest other occurrences of Diopside
2.2km (1.4 miles) ⓘ48-55 Mine, Vesper Peak, Sultan Mining District, Snohomish County, Washington, USA
14.7km (9.1 miles) ⓘDarrington Bornite Prospect, Darrington Mining District, Snohomish County, Washington, USA
27.3km (17.0 miles) ⓘHalford Railroad Cut, Index Mining District, Snohomish County, Washington, USA
29.2km (18.1 miles) ⓘBaring Mining District, King County, Washington, USA
33.8km (21.0 miles) ⓘMaloney Quarries, Grotto, King County, Washington, USA
39.5km (24.6 miles) ⓘDeer Creek, Snohomish County, Washington, USA
58.8km (36.5 miles) ⓘHolden Mine, Railroad Creek Mining District, Chelan County, Washington, USA
61.9km (38.5 miles) ⓘCultus Mountain Nickel Occurrence, Hamilton Mining District, Skagit County, Washington, USA
64.8km (40.3 miles) ⓘPaddy-go-Easy Pass occurrences, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA
67.5km (41.9 miles) ⓘDenny Gulch, Denny Mountain, Snoqualmie Mining District, King County, Washington, USA
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.p.83
 
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