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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Serpentine Subgroup from
Don Pedro Mine (Booker lease; Rosasco Mine), Hetch Hetchy Junction, Tuolumne County, California, USA


Locality type:Mine
Classification
Species:'Serpentine Subgroup' (not an IMA approved species)
Formula:D3[Si2O5](OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Serpentine Subgroup data
Locality Data:Click here to view Don Pedro Mine (Booker lease; Rosasco Mine), Hetch Hetchy Junction, Tuolumne County, California, USA
Data Identifiers
Mindat Occurrence Record ID:846247
Long-form Identifier:1:3:846247:3
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
11.0km (6.8 miles) ⓘEggling and Williams Mines (Mariano Ranch), Chinese Station, Tuolumne County, California, USA
11.8km (7.3 miles) ⓘPerconi Ranch deposits (Perconi Ranch Mine; Cherry Creek Mine; Whittle property), Chinese Station, Tuolumne County, California, USA
13.7km (8.5 miles) ⓘMcCormick Mine (McCormick property; Terry and Sell lease [WWI]), Yosemite Junction, Tuolumne County, California, USA
14.8km (9.2 miles) ⓘMcAlpine Mine, Peñon Blanco Peak, Coulterville Mining District, Tuolumne County, California, USA
16.1km (10.0 miles) ⓘNorth End claim (North End Mine), Ziehlke claims group [1948] (Last Chance claim; Morning Glory claim; Murphy lease; Pereira property; C. M. Quigg lease on Pereira property [1918]; C and M Quigg lease), Peoria Flat, Yosemite Junction, Tuolumne County, California, USA
16.5km (10.3 miles) ⓘOro Rico Mine (Penon Blanco Mine), Peñon Blanco Peak, Coulterville, Coulterville Mining District, Mariposa County, California, USA
19.8km (12.3 miles) ⓘUnnamed Asbestos occurrence [3], Sugarloaf Mountain, Foothill Copper Belt, Calaveras County, California, USA
20.8km (12.9 miles) ⓘCopperopolis Mine, Sugarloaf Mountain, Foothill Copper Belt, Calaveras County, California, USA
20.8km (13.0 miles) ⓘQuigg Mine (Kahl Mine [1908]), Jamestown, Jamestown District, Tuolumne County, California, USA
21.0km (13.1 miles) ⓘMary Harrison Mine, Mary Harrison group, Coulterville, Coulterville Mining District, Mariposa County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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