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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Laumontite from
Tyler Creek Mine (Western Exploration; National Tungsten; Verne Tyler; Bull Point), California Hot Springs, Tulare County, California, USA


Locality type:Mine
Classification
Species:Laumontite
Formula:CaAl2Si4O12 · 4H2O
Comments:Occurs as veinlets of crystalline material.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Phlogopite
Scheelite
Data
Mineral Data:Click here to view Laumontite data
Locality Data:Click here to view Tyler Creek Mine (Western Exploration; National Tungsten; Verne Tyler; Bull Point), California Hot Springs, Tulare County, California, USA
Data Identifiers
Mindat Occurrence Record ID:683254
Long-form Identifier:1:3:683254:4
GUID (UUID V4):0
References
Goodwin, Joseph Grant (1958), Mines and mineral resources of Tulare County, California: California Journal of Mines and Geology (Report 54): 54(3): 366-369
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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