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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Herderite from
Blue Chihuahua Mine (Blue Dog), Iron Spring Mountain, Cooper Canyon Mining District, Riverside County, California, USA


Locality type:Mine
Classification
Species:Herderite
Formula:CaBe(PO4)F
Comments:Specimens analyzed by Leavens, et al. (1978) from this locality were true hydroxylherderite.
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Herderite data
Locality Data:Click here to view Blue Chihuahua Mine (Blue Dog), Iron Spring Mountain, Cooper Canyon Mining District, Riverside County, California, USA
Data Identifiers
Mindat Occurrence Record ID:6189
Long-form Identifier:1:3:6189:6
GUID (UUID V4):0
Nearest other occurrences of Herderite
14.0km (8.7 miles) ⓘCryo-Genie Mine, Warner Springs, Warner Springs Mining District, San Diego County, California, USA
27.2km (16.9 miles) ⓘHimalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
89.8km (55.8 miles) ⓘBeebe Hole Mine, Tule Mountain (Mount Tule; Tulley Mountain), Jacumba, San Diego County, California, USA
89.9km (55.9 miles) ⓘPack Rat Mine, Tule Mountain (Mount Tule; Tulley Mountain), Jacumba, San Diego County, California, USA
References
Leavens, Peter B., Dunn, Pete J., Gaines, Richard V. (1978) Compositional and refractive index variations of the herderite-hydroxyl-herderite series. American Mineralogist, 63 (9-10) 913-917
 
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