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
Howland Mine (Silver Creek Mine), Galice Mining District, Josephine 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 Howland Mine (Silver Creek Mine), Galice Mining District, Josephine County, Oregon, USA
Data Identifiers
Mindat Occurrence Record ID:472009
Long-form Identifier:1:3:472009:6
GUID (UUID V4):0
Nearest other occurrences of Quartz
3.1km (1.9 miles) ⓘHansen Mine (Hansen Saddle; Alta Vista), Galice Mining District, Josephine County, Oregon, USA
3.5km (2.2 miles) ⓘLone Eagle Occurrence (Little Silver), Illinois - Chetco Mining District, Josephine County, Oregon, USA
5.4km (3.4 miles) ⓘMolybdenum Occurrence (MRDS - 10036491), Galice Mining District, Josephine County, Oregon, USA
8.3km (5.1 miles) ⓘMill Creek Prospect, Galice Mining District, Josephine County, Oregon, USA
8.9km (5.5 miles) ⓘLightning Ridge Occurrence, Briggs Creek Mining District, Josephine County, Oregon, USA
9.9km (6.2 miles) ⓘOnion Falls Copper (Coons Copper-Gold Ledge; Hamlin Prospect), Pickett Creek Mining District, Josephine County, Oregon, USA
10.4km (6.5 miles) ⓘBeth Prospect, Galice Mining District, Josephine County, Oregon, USA
10.4km (6.5 miles) ⓘLittle Silver Occurrence (Lone Eagle; Ernest Dunbar), Illinois - Chetco Mining District, Josephine County, Oregon, USA
11.5km (7.1 miles) ⓘBlack Bear Mine (Dan Green Mine), Galice Mining District, Josephine County, Oregon, USA
11.9km (7.4 miles) ⓘLucky Antler, Josephine County, Oregon, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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