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Unnamed Howieite-Deerite-Zussmanite occurrence (1), Longvale, Coastal Range, Mendocino Co., California, USA


List of minerals arranged by Strunz 10th Edition classification
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 9 - Silicates
Deerite9.DH.60(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5
Howieite9.DH.65Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13
Stilpnomelane9.EG.40(K,Ca,Na)(Fe2+,Mg,Al,Fe3+)8(Si,Al)12(O,OH)36 · nH2O
Zussmanite9.EG.35K(Fe,Mg,Mn)13(Si,Al)18O42(OH)14


5 entries listed. 5 valid minerals.

References

Anonymous (1964), Three new minerals from California (deerite, howieite, and zussmanite): California Division of Mines and Geology, Mineral Information Service: 17: 138.

USGS MRDS database (2005), loc. file ID #10286314 & 10031493.

Minerals Availability System (MAS) file ID #0060450105.

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