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Felix Mine, Azusa (Dalton), San Gabriel Mts, Los Angeles Co., California, USA

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Latitude & Longitude (WGS84): 34° 9' 7'' North , 117° 53' 60'' West
Latitude & Longitude (decimal): 34.1519444444, -117.9
A former fluorspar mine located in the S½ sec. 23, T1N, R10W, SBM, ½ mile E of the N end of Azusa Avenue, 2.1 km (7,000 feet) NNE of the city of Azusa (Dalton), Los Angeles County, California.

The deposits here have been known as a source of fine fluorite specimens since 1892, and are located on a steep, brushy hillside of decomposed granite hosting numerous subparallel fluorite-bearing veins. The larger crystals generally show octahedral and cube face development, frequently occurring as individuals and small groups on a druzy quartz matrix, with bladed white barite associations common. Most of the fluorites recovered are green in color, although some blue and purple crystals have been found. Inclusions of galena, sphalerite, and chalcopyrite are noted to occur in the fluorite crystals. Secondary minerals such as cerussite and malachite have been found in the deepest parts of the diggings.

Note the "Minium" reported here as inclusions within Fluorite crystals has been shown to be Cinnabar - see this article

Mineral List

13 entries listed. 11 valid minerals. 1 erroneous literature entry.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Palache, C., Berman, H. and Frondel, C. (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, Volume I, 834pp.: 518.

Sharp, W.E. (1959) Minerals from Los Angeles County, California. Printed privately, Los Angeles, California: 39.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 97, 187, 190, 267.

Carnahan, V. (1967), Minerals of Los Angeles County, part 1, Catalina Island, Palos Verdes and Soledad Basin: Los Angeles County Natural History Museum Alliance Quarterly: 6(2): 22.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 184, 188.

Housley, R. (2008), Felix Mine cinnabar, not minium. article 341. June.

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