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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Tiemannite from
New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), San Benito County, California, USA


Locality type:Mine
Classification
Species:Tiemannite
Formula:HgSe
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tiemannite data
Locality Data:Click here to view New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), San Benito County, California, USA
Data Identifiers
Mindat Occurrence Record ID:135609
Long-form Identifier:1:3:135609:0
GUID (UUID V4):0
References
Learned, R.E. (1962) Paragenesis of mercury-ore deposits. Unpublished Master’s thesis, University of California, Los Angeles: 2
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
www.mineralsocal.org (1999) https://www.mineralsocal.org
 
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