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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Demantoid from
Yellow Cat Mine, Idria (New Idria), San Benito County, California, USA


05958980017374256681948.jpg
Demantoid

Yellow Cat Mine, Idria, San Benito County, California, USA
09893400017415398966454.jpg
Demantoid

Yellow Cat Mine, Idria, San Benito County, California, USA
02900240017374256698493.jpg
Demantoid

Yellow Cat Mine, Idria, San Benito County, California, USA
01611260017362199628270.jpg
Demantoid

Yellow Cat Mine, Idria, San Benito County, California, USA
05808390017413814344744.jpg
Demantoid

Yellow Cat Mine, Idria, San Benito County, California, USA
06041560017367624705036.jpg
Demantoid

Yellow Cat Mine, Idria, San Benito County, California, USA
06053310017362488663553.jpg
Demantoid

Yellow Cat Mine, Idria, San Benito County, California, USA
03896690017415045313178.jpg
Demantoid

Yellow Cat Mine, Idria, San Benito County, California, USA
02900240017374256698493.jpg
Demantoid

Yellow Cat Mine, Idria, San Benito County, California, USA
Locality type:Mine
Classification
Species:Andradite var: Demantoid
Formula:Ca3Fe23+(SiO4)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Demantoid data
Locality Data:Click here to view Yellow Cat Mine, Idria (New Idria), San Benito County, California, USA
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:19444
Long-form Identifier:1:3:19444:2
GUID (UUID V4):0
References
Betts, John (n.d.) John Betts website listing.
 
and/or  
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