Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Phengite from
Placerville (Hangtown), Placerville Mining District, El Dorado County, California, USA


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Mariposite

Placerville, Placerville Mining District, El Dorado County, California, USA
02758300017366877488649.png
Mariposite

Placerville, Placerville Mining District, El Dorado County, California, USA
01960110017272726081641.png
Mariposite

Placerville, Placerville Mining District, El Dorado County, California, USA
Locality type:City
Classification
Species:Muscovite var: Phengite
Formula:KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phengite data
Locality Data:Click here to view Placerville (Hangtown), Placerville Mining District, El Dorado County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1035813
Long-form Identifier:1:3:1035813:7
GUID (UUID V4):0
Localities for Phengite in this Region
Pacific Quartz Mine (Pacific Mine), Placerville (Hangtown), Placerville Mining District, El Dorado County, California, USA
Nearest other occurrences of Phengite
0.9km (0.5 miles) ⓘPacific Quartz Mine (Pacific Mine), Placerville (Hangtown), Placerville Mining District, El Dorado County, California, USA
12.4km (7.7 miles) ⓘPyramid Mine (Gold Reserve Mine), Rescue area, Deer Valley Mining District, West Belt, El Dorado County, California, USA
31.9km (19.8 miles) ⓘMarguerite Mine, Auburn, Ophir Mining District (Auburn Mining District; Duncan Hill Mining District), Placer County, California, USA
58.4km (36.3 miles) ⓘCommodore Mine (Golden Gate Mine), San Andreas, San Andreas Mining District, Calaveras County, California, USA
58.7km (36.5 miles) ⓘIdaho-Maryland Mine (Idaho Maryland prospect; Maryland Mine; Howard Hill/Morning Dew; Idaho Maryland-Brunswick), Idaho-Maryland group, Grass Valley, Grass Valley Mining District, Nevada County, California, USA
58.9km (36.6 miles) ⓘGolden Gate group (Golden Gate Gp; Kentucky & Alpha; Golden Gate; Golden Gate East and West; Dana claim; Christopher Columbus claim; Golden Gate claim; Alpha claim; Ismert Ranch claim), Grass Valley, Grass Valley Mining District, Nevada County, California, USA
68.3km (42.5 miles) ⓘRed Ledge Mine, Washington, Washington Mining District (Omega Mining District), Nevada County, California, USA
79.0km (49.1 miles) ⓘIrelan Mine (Ireland Mine), Minnesota Flat, Alleghany Mining District (Forest Mining District), Sierra County, California, USA
80.1km (49.8 miles) ⓘRed Ledge Mine (Bank Mining Company), Mack House, Alleghany Mining District (Forest Mining District), Sierra County, California, USA
80.4km (50.0 miles) ⓘPlumbago Mine (Marion Mine; Croesus Mine; Standard Extension Mine; Crafts Clute Mine; Enterprise Mine; Hope Mine; Gold Beater Mine), Plumbago, Alleghany Mining District (Forest Mining District), Sierra County, California, USA
References
William H. Storms, California State Mining Bureau. 1900. The Mother Lode Region of California. Page 20.
 
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