Help on Dana Classification : Dana Classif. : Dana Code:61.1.2b.3
Dana Class:61 - Cyclosilicates Cyclosilicate Six-Membered Rings
Dana Type:61.1 - Cyclosilicates Cyclosilicate Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Dana Group:61.1.2b - Lovozerite group (Ortho and MON subgroup)
 
CodeMineralFormulaH-M SymbolSpace Group
61.1.2b.1ImandriteNa12Ca3Fe+++2Si12O362/m 2/m 2/mPnnm
61.1.2b.2KoashviteNa6(Ca,Mn)(Ti,Fe)Si6O18·(H2O)2/m 2/m 2/mPmnb
61.1.2b.3PetarasiteNa5Zr2Si6O18(Cl,OH)·2(H2O)2/mP21/m
61.1.2b.4LitvinskiteNa2([ ],Na,Mn)Zr[Si6O12(OH,O)6]mCm
 
Help on Strunz Class: Strunz Classif. : Strunz Code:VIII/E.16-70
Strunz Class:VIII - Silicates
Strunz Type:VIII/E - Cyklosilicates, triplet rings [Si3O9]6-
Strunz Group:VIII/E.16 - Lovozerite group
 
CodeMineralFormulaH-M SymbolSpace Group
VIII/E.16-10ImandriteNa12Ca3Fe+++2Si12O362/m 2/m 2/mPnnm
VIII/E.16-20KazakoviteNa6Mn++TiSi6O18-3 2/mR-3m
VIII/E.16-25LitvinskiteNa2([ ],Na,Mn)Zr[Si6O12(OH,O)6]mCm
VIII/E.16-30LovozeriteH4Na2Ca(Zr,Ti)[Si6O18]-3 2/mR-3m
VIII/E.16-40ZirsinaliteNa6(Ca,Mn,Fe++)Zr[Si6O18]-3 2/mR-3m
VIII/E.16-50KoashviteNa6(Ca,Mn)(Ti,Fe)Si6O18·(H2O)2/m 2/m 2/mPmnb
VIII/E.16-60TisinaliteNa3H3(Mn++,Ca,Fe)TiSi6(O,OH)18·2(H2O)-3 2/mR-3m
VIII/E.16-70PetarasiteNa5Zr2Si6O18(Cl,OH)·2(H2O)2/mP21/m