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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Serpentine Subgroup from
Mount Hawkins Mine, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA


Locality type:Mine
Classification
Species:'Serpentine Subgroup' (not an IMA approved species)
Formula:D3[Si2O5](OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Serpentine Subgroup data
Locality Data:Click here to view Mount Hawkins Mine, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:125751
Long-form Identifier:1:3:125751:9
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
0.6km (0.3 miles) ⓘDolphin Mine, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA
1.8km (1.1 miles) ⓘSilver Bullion Claim, Cle Elum Mining District, Kittitas County, Washington, USA
3.0km (1.9 miles) ⓘDenney Prospect, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA
4.3km (2.7 miles) ⓘBoulder Creek Olivine Occurrence, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA
4.4km (2.7 miles) ⓘBoulder Creek Mine (Burke Mine), Cle Elum Mining District, Washington, USA
5.9km (3.7 miles) ⓘCle Elum Iron Prospect, Cle Elum Mining District, Kittitas County, Washington, USA
11.9km (7.4 miles) ⓘElsner (The Fish Eagle), Cle Elum Mining District, Kittitas County, Washington, USA
12.8km (8.0 miles) ⓘPaddy-go-Easy Pass occurrences, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA
13.6km (8.4 miles) ⓘSouth Navaho Peak, Swauk Mining District, Kittitas County, Washington, USA
17.5km (10.9 miles) ⓘNegro Creek Iron Mine, Negro Creek, Blewett Mining District (Peshastin Mining District), Chelan 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.
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.p.72
Derkey, Robert E., Joseph, Nancy L., Lasmanis, Raymond (1990, November) Metal Mines of Washington - Preliminary Report. Open File Report 90-18. Washington Division of Geology and Earth Resources
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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