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
Double Header Mine (Celestine Mine), French Gulch, French Gulch Mining District, Klamath Mountains, Shasta County, 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 Double Header Mine (Celestine Mine), French Gulch, French Gulch Mining District, Klamath Mountains, Shasta County, California, USA
Data Identifiers
Mindat Occurrence Record ID:333136
Long-form Identifier:1:3:333136:1
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.5km (0.9 miles) ⓘSouth Star Mine, French Gulch, French Gulch Mining District, Klamath Mountains, Shasta County, California, USA
2.9km (1.8 miles) ⓘGreenhorn Mine (Greenhorn vein; Willow Creek Mines Inc.; Warren Brothers), French Gulch, French Gulch Mining District, Klamath Mountains, Shasta County, California, USA
4.3km (2.7 miles) ⓘEl Dorado Mine (El Dorado vein; Conner; Eureka), Merry Mountain, French Gulch, French Gulch Mining District, Klamath Mountains, Shasta County, California, USA
4.5km (2.8 miles) ⓘHalcyron Mine (Haleyon Mine), French Gulch, French Gulch Mining District, Klamath Mountains, Shasta County, California, USA
4.6km (2.9 miles) ⓘMerry Mountain Mine (Merry Mountain Diggers), Merry Mountain, French Gulch, French Gulch Mining District, Klamath Mountains, Shasta County, California, USA
5.0km (3.1 miles) ⓘSummit Mine (Summit and Montezuma Mine; Summit Gulch Mine; Summit vein), Summit Gulch, Deadwood area, French Gulch Mining District, Klamath Mountains, Shasta County, California, USA
5.2km (3.2 miles) ⓘTom Green Mine (Tom Green vein; Sysonby; Green; Honey Bee; Twenty Grand), Deadwood area, French Gulch Mining District, Klamath Mountains, Shasta County, California, USA
5.3km (3.3 miles) ⓘThree Sisters Mine (Three Sisters veins), French Gulch, French Gulch Mining District, Klamath Mountains, Shasta County, California, USA
5.3km (3.3 miles) ⓘSt. Jude Mine (Vogt Mine; Philadelphia and Roosevelt Mine [?]), French Gulch, French Gulch Mining District, Klamath Mountains, Shasta County, California, USA
5.5km (3.4 miles) ⓘWertz Mine (Ike Wertz prospect), Deadwood area, French Gulch Mining District, Klamath Mountains, Shasta County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
and/or  
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