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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Montmorillonite from
Meridian claim, Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA


Locality type:Claim
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Meridian claim, Twenty Mule Team Canyon, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:175409
Long-form Identifier:1:3:175409:4
GUID (UUID V4):0
Nearest other occurrences of Montmorillonite
9.9km (6.2 miles) ⓘHard Scramble claim, Ryan, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
18.5km (11.5 miles) ⓘBadwater Basin, Inyo County, California, USA
32.6km (20.2 miles) ⓘLos Angeles Chemical Company Clay Property, Ash Meadows Mining District, Amargosa Desert, Nye County, Nevada, USA
39.2km (24.4 miles) ⓘK-B deposit (Ewing claims), Ash Meadows Mining District, Amargosa Desert, Nye County, Nevada, USA
41.8km (25.9 miles) ⓘSide Hill Clay deposit (Vanderbilt Sidehill Mine; Side Hill group of claims), Ash Meadows, Ash Meadows Mining District, Amargosa Desert, Nye County, Nevada, USA
42.0km (26.1 miles) ⓘEast Ash Meadows Clay Deposit, Ash Meadows Mining District, Amargosa Desert, Nye County, Nevada, USA
49.2km (30.6 miles) ⓘ144 Zone deposit, Sterling Mine (Ambrose pit; Panama Mine; 144 Zone; Mary-Goldspar claim block [to the north [2004]]; Ambrose open pit; NBMG sample sites 1013 & 1014), Bare Mountain Mining District (Fluorine Mining District), Bare Mountain, Nye County, Nevada, USA
51.6km (32.1 miles) ⓘBallarat Saponite deposit, Ballarat, Panamint Mining District (Ballarat Mining District), Panamint Range (Panamint Mountains), Inyo County, California, USA
54.0km (33.6 miles) ⓘDaisy deposit, Bare Mountain Mining District (Fluorine Mining District), Bare Mountain, Nye County, Nevada, USA
54.5km (33.8 miles) ⓘNew Discovery Mine, Bullfrog Mining District, Bullfrog Hills, Nye County, Nevada, USA
References
Erd, Richard C., McAllister, James F., Eberlein, G. Donald (1979) New data on hungchaoite, the second world occurrence, Death Valley region, California. American Mineralogist, 64 (3-4) 369-375
 
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