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
Bonanza Mine, Bonanza Area, Douglas County, Oregon, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Bonanza Mine, Bonanza Area, Douglas County, Oregon, USA
Data Identifiers
Mindat Occurrence Record ID:470720
Long-form Identifier:1:3:470720:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.6km (1.6 miles) ⓘNonpareil Mine (New Idrian), Bonanza Area, Douglas County, Oregon, USA
18.3km (11.4 miles) ⓘElkhead Mine, Elkhead, Douglas County, Oregon, USA
20.1km (12.5 miles) ⓘCody-Long Quarry, Douglas County, Oregon, USA
22.2km (13.8 miles) ⓘBlack Butte Mine, Black Butte Mining District, Lane County, Oregon, USA
24.6km (15.3 miles) ⓘHobart Butte, Black Butte Mining District, Lane County, Oregon, USA
30.4km (18.9 miles) ⓘBear Creek Quarry, Drain, Douglas County, Oregon, USA
40.0km (24.8 miles) ⓘContinental Mine, Nugget Mining District (Myrtle Creek Mining District), Douglas County, Oregon, USA
40.0km (24.9 miles) ⓘCombination Group (Silver Queen), Bohemia Mining District (Champion Mining District), Lane County, Oregon, USA
40.0km (24.9 miles) ⓘChieftain Occurrence, Nugget Mining District (Myrtle Creek Mining District), Douglas County, Oregon, USA
42.7km (26.6 miles) ⓘStar Mine (Golden Star; Consolidated Mining Company; Gold Leaf), Bohemia Mining District (Champion Mining District), Lane County, Oregon, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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