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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Sericite from
Goat Mountain Mine, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA


Locality type:Prospect
Classification
Species:Muscovite var: Sericite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sericite data
Locality Data:Click here to view Goat Mountain Mine, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:212083
Long-form Identifier:1:3:212083:6
GUID (UUID V4):0
Nearest other occurrences of Sericite
6.4km (4.0 miles) ⓘSnook and Ellen Mine, Van Epps Pass, Leavenworth Mining District, Chelan County, Washington, USA
7.2km (4.5 miles) ⓘPickwick Mine, Van Epps Pass, Leavenworth Mining District, Chelan County, Washington, USA
16.7km (10.4 miles) ⓘMineral Creek Mine (Durrwachter Mine; Liberty Lode Mine), Mineral Creek, Kittitas County, Washington, USA
18.5km (11.5 miles) ⓘCrawford Creek Breccia, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
21.9km (13.6 miles) ⓘCondor-Hemlock Mine, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
23.0km (14.3 miles) ⓘPorter Claim, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
28.2km (17.6 miles) ⓘGreen Ridge, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
28.8km (17.9 miles) ⓘPurple Hope No. 4 claim, Purple Hope claims, Green Ridge, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
30.9km (19.2 miles) ⓘBlack Dike Prospect, Miller River Mining District, King County, Washington, USA
32.5km (20.2 miles) ⓘCleopatra Mine, Miller River Mining District, King County, Washington, USA
References
Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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