ATHENA MINERALOGY Search Mineral Group: Howieite group |
Mineral | Formula | Group | System |
---|---|---|---|
DEERITE | (Fe++,Mn)6(Fe+++,Al)3Si6O20(OH)5 | Howieite group | M ps O |
HOWIEITE | Na(Fe++,Mn)10(Fe+++,Al)2Si12O31(OH)13 | Howieite group | A |
TANEYAMALITE | Na(Mn++,Mg,Fe++)12Si12(O,OH)44 | Howieite group | A |
JOHNINNESITE | Na2Mn++9(Mg,Mn++)7(OH)8(AsO4)2(Si6O17)2 | Howieite group | A |
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