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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Colemanite from
Unnamed Borate prospects [23], Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA


Locality type:Prospect
Classification
Species:Colemanite
Formula:Ca[B3O4(OH)3] · H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Colemanite data
Locality Data:Click here to view Unnamed Borate prospects [23], Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:326754
Long-form Identifier:1:3:326754:7
GUID (UUID V4):0
Nearest other occurrences of Colemanite
0.4km (0.3 miles) ⓘUnnamed Borate prospects [19], Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
0.5km (0.3 miles) ⓘUnnamed Borate prospects [20], Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
1.3km (0.8 miles) ⓘSouth Meridian claim, Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
1.3km (0.8 miles) ⓘTwenty Mule Team Road occurrences, Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
1.3km (0.8 miles) ⓘMeridian claim, Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
1.5km (0.9 miles) ⓘUnnamed Borate prospects [18], Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
2.4km (1.5 miles) ⓘUnnamed Borate occurrence [5], Black Mountains, Amargosa Range, Inyo County, California, USA
2.7km (1.7 miles) ⓘUnnamed Borate prospects [22], Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
2.7km (1.7 miles) ⓘMott prospect (Mott Colemanite prospect; Mott open cut), Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
3.5km (2.2 miles) ⓘMonte Blanco Mine, Monte Blanco, Black Mountains, Amargosa Range, Inyo County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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