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Dana Classification System

Inosilicates

Mineral Formula Classification
65.  -  Single-width unbranched chains, W = 1
65.1.1/ - Pyroxene group, orthopyroxene subgroup
Enstatite Mg2Si2O6 65.1.2.1
65.1.3/ - Pyroxene group, clinopyroxene subgroup
Diopside CaMgSi2O6 65.1.3a.1
Hedenbergite CaFe2+Si2O6 65.1.3a.2
Augite (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6 65.1.3a.3
Aegirine NaFe3+Si2O6 65.1.3c.2
 
Lorenzenite Na2Ti2Si2O9 65.1.6.1
Lintisite Na3LiTi2Si4O14 · 2H2O 65.1.6.3
Manganokukisvumite Na6MnTi4Si8O28 · 4H2O 65.1.6.4
65.2.1/ - Wollastonite group
Wollastonite CaSiO3 65.2.1.1a
Pectolite NaCa2Si3O8(OH) 65.2.1.4a
Sérandite Na(Mn2+,Ca)2Si3O8(OH) 65.2.1.5
 
Chkalovite Na2BeSi2O6 65.5.2.1
66.  -  Double-width unbranched chains, W = 2
66.1.3a/ - Amphibole group, tremolite subgroup
Tremolite Ca2Mg5Si8O22(OH)2 66.1.3a.1
Actinolite Ca2(Mg,Fe2+)5Si8O22(OH)2 66.1.3a.2
Magnesiohornblende Ca2(Mg,Fe2+)4Al(AlSi7O22)(OH,F)2 66.1.3a.4
Edenite NaCa2Mg5Si7AlO22(OH)2 66.1.3a.10
Kaersutite NaCa2(Mg,Fe2+)4Ti(Al2Si6O22)(OH)2 66.1.3a.18
66.1.3b/ - Amphibole group, richterite subgroup
Richterite Na2Ca(Mg,Fe2+)5Si8O22(OH)2 66.1.3b.9
66.1.3c/ - Amphibole group, glaucophane subgroup
Riebeckite Na2Fe32+Fe23+Si8O22(OH)2 66.1.3c.5
Ferro-eckermannite Na3(Fe,Mg)4AlSi8O22(OH)2 66.1.3c.7
Magnesioarfvedsonite Na3Mg4Fe3+Si8O22(OH)2 66.1.3c.8
Arfvedsonite Na3Fe42+Fe3+Si8O22(OH)2 66.1.3c.9
Fluoro-magnesio-arfvedsonite NaNa2Mg4Fe3+(F,OH)2Si8O22 66.1.3c.9a
Ferronyboïte Na3Fe2+3Al2(Si7AlO22)(OH)2 66.1.3c.11a
 
Eudidymite NaBeSi3O7(OH) 66.3.1.3
Epididymite NaBeSi3O7(OH) 66.3.1.4
Haineaultite (Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8 · 5H2O 66.3.1.6



Dana System Classes

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