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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Nobleite from
Widow No. 3 Mine (New Widow), Ryan, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA


Locality type:Mine
Classification
Species:Nobleite
Formula:CaB6O9(OH)2 · 3H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nobleite data
Locality Data:Click here to view Widow No. 3 Mine (New Widow), Ryan, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:618771
Long-form Identifier:1:3:618771:2
GUID (UUID V4):0
Nearest other occurrences of Nobleite
5.3km (3.3 miles) ⓘHard Scramble claim, Ryan, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
12.3km (7.6 miles) ⓘFurnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
12.3km (7.6 miles) ⓘCorkscrew Canyon Mine, Ryan, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
15.2km (9.4 miles) ⓘMeridian claim, Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
15.2km (9.4 miles) ⓘSouth Meridian claim, Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
References
Erd, R. C., McAllister, J. F., Vlisidis, A. C. (1961) Nobleite, another new hydrous calcium borate from the Death Valley region, California. American Mineralogist, 46 (5-6) 560-571
 
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