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
Deep Hole Mine (Eden Valley Mine), Eden Valley, Hearst, Coastal Range, California, 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 Deep Hole Mine (Eden Valley Mine), Eden Valley, Hearst, Coastal Range, California, USA
Data Identifiers
Mindat Occurrence Record ID:329193
Long-form Identifier:1:3:329193:1
GUID (UUID V4):0
Nearest other occurrences of Quartz
12.6km (7.8 miles) ⓘHearst, Coastal Range, California, USA
24.4km (15.2 miles) ⓘCovelo, Round Valley, Coastal Range, California, USA
27.9km (17.3 miles) ⓘLaytonville Quarry, Laytonville, Coastal Range, California, USA
28.9km (18.0 miles) ⓘWild Devil Mine (Waldteufel; Waldteufel Mine), Potter Valley area, Coastal Range, California, USA
32.1km (20.0 miles) ⓘThomas Mine (Thomas deposit; Thomas Round Mountain; North Thomas Mine; Round Mountain), Redwood Valley, Mendocino County, California, USA
48.7km (30.3 miles) ⓘManganese Peak group (Anti-Hitler; Anti-Mussolina), Dead Rabbit Lake, Tehama County, California, USA
55.8km (34.7 miles) ⓘIsland Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Trinity County, California, USA
58.9km (36.6 miles) ⓘBlue Jay Mine (Blue Jay claim; Blue Bird Mine; McKnight; McKnight), Three Forks, Trinity County, California, USA
60.9km (37.8 miles) ⓘEast Park Reservoir, Stonyford, Coast Ranges, Colusa County, California, USA
63.3km (39.3 miles) ⓘLucky Sunday and Billy Sunday claims (Lucky Sunday claim; Billy Sunday claim), Three Forks, Trinity County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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