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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Quartz from
Rosario Prospect, Covada Mining District (Enterprise Mining District), Ferry County, Washington, USA


Locality type:Prospect
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Rosario Prospect, Covada Mining District (Enterprise Mining District), Ferry County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:309657
Long-form Identifier:1:3:309657:4
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.2km (0.1 miles) ⓘLongstreet Mine, Covada Mining District (Enterprise Mining District), Ferry County, Washington, USA
0.4km (0.3 miles) ⓘPerry Prospect, Covada Mining District (Enterprise Mining District), Ferry County, Washington, USA
0.8km (0.5 miles) ⓘJohnny Boy Claim, Covada Mining District (Enterprise Mining District), Ferry County, Washington, USA
0.9km (0.5 miles) ⓘSilver Leaf Mine, Covada Mining District (Enterprise Mining District), Ferry County, Washington, USA
0.9km (0.5 miles) ⓘMessenger Mine, Covada Mining District (Enterprise Mining District), Ferry County, Washington, USA
1.0km (0.6 miles) ⓘBlue Jay Prospect, Covada Mining District (Enterprise Mining District), Ferry County, Washington, USA
1.1km (0.7 miles) ⓘBlack Tail Prospect, Covada Mining District (Enterprise Mining District), Ferry County, Washington, USA
1.3km (0.8 miles) ⓘOld Nell Mine, Covada Mining District (Enterprise Mining District), Ferry County, Washington, USA
1.5km (0.9 miles) ⓘButterfly Prospect, Covada Mining District (Enterprise Mining District), Ferry County, Washington, USA
1.7km (1.1 miles) ⓘBig Chief Prospect, Covada Mining District (Enterprise Mining District), Ferry 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.
 
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