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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Afwillite from
Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA


01966680017271978999991.jpg
Afwillite

Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
04149100017271979061841.jpg
Afwillite

Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
09697400017272023952091.jpg
Afwillite, etc.

Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
06094370017272023974851.jpg
Afwillite

Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
07335620017365723119393.jpg
Afwillite

Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
00408810017365723127618.jpg
Afwillite

Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
01450720017365723129279.jpg
Afwillite, etc.

Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
05260970017365723127605.jpg
Afwillite

Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
01966680017271978999991.jpg
Afwillite

Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
04149100017271979061841.jpg
Afwillite

Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
09697400017272023952091.jpg
Afwillite, etc.

Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
06094370017272023974851.jpg
Afwillite

Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
Locality type:Quarry
Classification
Species:Afwillite
Formula:Ca3[SiO4][SiO2(OH)2] · 2H2O
Comments:Occurs on the 910 level in veins in complex contact rocks.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Bultfonteinite
Scawtite
Associated Minerals Based on Photo Data:
Vesuvianite3
Ettringite3
Gypsum3
Calcite3
Merwinite3
Data
Mineral Data:Click here to view Afwillite data
Locality Data:Click here to view Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:37921
Long-form Identifier:1:3:37921:0
GUID (UUID V4):0
References
Switzer, George, Bailey, Edgar H. (1953) Afwillite from Crestmore, California. American Mineralogist, 38 (7-8) 629-633
Murdoch, Joseph (1954) Scawtite and bultfonteinite from Crestmore, California. (abstract): Geological Society of America Bulletin: 65: 1347-1348.
Murdoch, Joseph (1955) Scawtite from Crestmore, California. American Mineralogist, 40 (5-6). 505-509
 
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