Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Quartz from
Manga-Chrome Mine (Manga Chrome; Magna-Chrome Mine; Duggan Mine; Steams and Owens [?]), Limekiln, Spenceville Mining District, Nevada 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 Manga-Chrome Mine (Manga Chrome; Magna-Chrome Mine; Duggan Mine; Steams and Owens [?]), Limekiln, Spenceville Mining District, Nevada County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1749497
Long-form Identifier:1:3:1749497:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.3km (1.5 miles) ⓘMaben Hill Mine, Dew Drop, Nevada County, California, USA
2.4km (1.5 miles) ⓘSmith prospect, Limekiln, Spenceville Mining District, Nevada County, California, USA
2.6km (1.6 miles) ⓘStockton Hill Mine (Stockton; Stockton Qtz.), Dew Drop, Nevada County, California, USA
2.7km (1.7 miles) ⓘPine Hill Mine (Pine Hill Mining Co.; Golden Gate claim; Golden Gate Extension claim; Golden Gate Ext; Thrasher claim), Limekiln, Spenceville Mining District, Nevada County, California, USA
3.1km (1.9 miles) ⓘUnnamed Cu-Hg-Au prospects [1], Higgins Corner, Spenceville Mining District, Nevada County, California, USA
4.1km (2.5 miles) ⓘSweet Ranch Mine, Dew Drop, Nevada County, California, USA
4.7km (2.9 miles) ⓘStockton Quartz Mine (Stockton Qtz.), Rock Mountain, Nevada County, California, USA
4.9km (3.0 miles) ⓘLive Oak Consolidated Quartz Mine (Live Oak Con Qtz.; Griffith; Davis), Higgins Corner, Spenceville Mining District, Nevada County, California, USA
5.5km (3.4 miles) ⓘLotzen Ranch prospect, Spenceville, Spenceville Mining District, Nevada County, California, USA
10.0km (6.2 miles) ⓘBear River Mine (Unnamed mine), New England Mills, Colfax Mining District (Illinois Mining District), Placer County, California, USA
References
Flohr, Marta J.K., Huebner, J.Stephen (1992) Mineralogy and geochemistry of two metamorphosed sedimentary manganese deposits, Sierra Nevada, California, USA. Lithos, 29 (1) 57-85 doi:10.1016/0024-4937(92)90034-v
 
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