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Alma Mine (Alma Pyrite Mine), Leona Heights deposit, Leona Heights, Oakland, Alameda Co., California, USA

A pyrite mine.



References:
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 490, 502, 504, 626.





Mineral List:
Alunogen
Boothite (TL)
Chalcanthite
Copiapite
Copper
Epsomite
Halotrichite
Hexahydrite
Kröhnkite
Melanterite
Pyrite
Römerite


12 entries listed. 12 valid minerals. 1 type locality (valid mineral).

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