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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Aegirine from
California State Gem Mine, Santa Rita Peak, San Benito County, California, USA


03291520017368258022062.jpg
Aegirine

California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
07183850017272009363567.jpg
Aegirine, etc.

California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
08966020017368258028685.jpg
Aegirine, etc.

California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
01210640017368158652781.jpg
Aegirine

California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
01247910017368258048016.jpg
Aegirine, etc.

California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
08966020017368258028685.jpg
Aegirine, etc.

California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
03291520017368258022062.jpg
Aegirine

California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
07183850017272009363567.jpg
Aegirine, etc.

California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
08966020017368258028685.jpg
Aegirine, etc.

California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
Locality type:Mine
Classification
Species:Aegirine
Formula:NaFe3+Si2O6
Comments:Occurs in albite with benitoite and natrolite as stellate groups.
Habit:Stellate groups
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Albite
Benitoite
Joaquinite-(Ce)
Jonesite
Natrolite
Neptunite
Associated Minerals Based on Photo Data:
Natrolite2
Benitoite2
Data
Mineral Data:Click here to view Aegirine data
Locality Data:Click here to view California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:60310
Long-form Identifier:1:3:60310:8
GUID (UUID V4):0
Nearest other occurrences of Aegirine
4.9km (3.0 miles) ⓘUnnamed Zeolite occurrence [1], Archer Camp, Fresno County, California, USA
9.5km (5.9 miles) ⓘMina Numero Uno, Picacho Peak, San Benito County, California, USA
48.8km (30.3 miles) ⓘPanoche Pass, San Benito County, California, USA
References
Louderback, George Davis & Walter C. Blasdale (1909), Benitoite, its mineralogy, paragenesis and mode of occurrence: University of California, Department of Geological Sciences Bulletin: 5: 363
Murdoch, Joseph; Webb, Robert Wallace (1966) Minerals of California, Centennial Volume (1866-1966) - California Division of Mines and Geology, Bulletin 189. California Division of Mines and Geology. 559 pp.
Wise, W. S. (1982) Strontiojoaquinite and bario-orthojoaquinite: two new members of the joaquinite group. American Mineralogist, 67 (7-8) 809-816
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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