Dana Cyclosilicate Classification<br><small>Condensed Rings</small>

Dana Cyclosilicate Classification
Condensed Rings

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Minerals Arranged by the New Dana Classification

This arrangement of mineral species is based on Dana's New Mineralogy by Richard V. Gaines, H. Catherine Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig, with sections by Vandall T. King, Illustrations by Eric Dowty, (ISBN: 047119310-0) Copyright © 1997, John Wiley & Sons, Inc.".  This material is used by permission of John Wiley & Sons, Inc. Follow this link for a short discussion on the Dana Classification Number.

Note: Space Group in Red   Point Group in Green.
* - Not IMA Approved.

! - Dana Number Added or Changed.

? - IMA Discredited Mineral Name.

Dana Cyclosilicate Classification
Condensed Rings


63 Cyclosilicates Cyclosilicate Condensed Rings

63.01 Cyclosilicates Cyclosilicate Condensed Rings 4-membered rings

63.01.01 Steacyite Group

63.01.01.01 Steacyite K1-x(Ca,Na)2ThSi8O20 (x=0.2 to 0.4) P 4/mcc 4/m 2/m 2/m
63.01.01.02 Iraqite-(La) K(La,Ce,Th)2(Ca,Na)4(Si,Al)16O40 P 4/mcc 4/m 2/m 2/m
63.01.01.03 Turkestanite! Th(Ca,Na)2(K1-x,[ ]x)Si8O20•n(H2O) P 4/mcc 4/m 2/m 2/m
63.01.01.04 Arapovite! (U,Th)(Ca,Na)2(K1-x[ ]x)Si8O20•H2O, x=0.5 P 4/mcc 4/m 2/m 2/m

63.02 Cyclosilicates Cyclosilicate Condensed Rings 6-membered rings

63.02.01a Milarite - Osumilite group (Milarite - Osumilite subgroup)

63.02.01a.01 Brannockite KSn2Li3Si12O30 P 6/mcc 6/m 2/m 2/m
63.02.01a.02 Chayesite K(Mg,Fe++)4Fe+++(Si12O30) P 6/mcc 6/m 2/m 2/m
63.02.01a.03 Darapiosite KNa2Zr[Li(Mn,Zr)2Si12O30] P 6/mcc 6/m 2/m 2/m
63.02.01a.04 Eifelite KNa3Mg4Si12O30 P 6/mcc 6/m 2/m 2/m
63.02.01a.05 Merrihueite (K,Na)2(Fe++,Mg)5Si12O30 P 6/mcc 6/m 2/m 2/m
63.02.01a.06 Osumilite-(Fe) (K,Na)(Fe++,Mg)2(Al,Fe+++)3(Si,Al)12O30 P 6/mcc 6/m 2/m 2/m
63.02.01a.07 Osumilite-(Mg) (K,Na)(Mg,Fe++)2(Al,Fe+++)3(Si,Al)12O30 P 6/mcc 6/m 2/m 2/m
63.02.01a.08 Poudretteite KNa2B3Si12O30 P 6/mcc 6/m 2/m 2/m
63.02.01a.09 Sugilite KNa2(Fe+++,Mn+++,Al)2Li3Si12O30 P 6/mcc 6/m 2/m 2/m
63.02.01a.10 Yagiite (Na,K)3Mg4(Al,Mg)6(Si,Al)24O60 P 6/mmc 6/m 2/m 2/m
63.02.01a.11 Dusmatovite K(K,Na,[ ])(Mn++,Y,Zr)2(Zn,Li)3Si12O30 P 6/mcc 6/m 2/m 2/m
63.02.01a.12 Milarite K2Ca4Al2Be4Si24O60•(H2O) P 6/mcc 6/m 2/m 2/m
63.02.01a.13 Sogdianite (K,Na)2(Li,Fe+++,Al)3ZrSi12O30 P 6/mmm 6/m 2/m 2/m
63.02.01a.14 Roedderite (Na,K)2(Mg,Fe++)5Si12O30 P 63/mmc 6/m 2/m 2/m
63.02.01a.15 Berezanskite! KLi3Ti2Si12O30 P 6/mcc 6/m 2/m 2/m
63.02.01a.16 Shibkovite! K(Ca,Mn,Na)2(K2-x,[ ]x)2ZnSi12O30 (x~0.8) P 6/mcc 6/m 2/m 2/m
63.02.01a.17 Trattnerite! (Fe,Mg)2(Mg,Fe)3(Si12O30) P 6/mcc 6/m 2/m 2/m
63.02.01a.18 Almarudite! K([ ],Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30] P 6/mcc 6/m 2/m 2/m
63.02.01a.19 Oftedalite! (Sc,Ca)2KBe3Si12O30 P 6/mmc 6/m 2/m 2/m
63.02.01a.20 Klochite ([ ]1Na1)KFe2Zn3[Si12O30] P 6/mcc 6/m 2/m 2/m
63.02.01a.21 Friedrichbeckeite! K([ ],Na)Mg2(Be2Mg)Si12O30 P 6/mcc 6/m 2/m 2/m

63.02.01b Milarite - Osumilite group

63.02.01b.01 Armenite BaCa2Al6Si9O30•2(H2O) Pnc2 mm2

63.03 Cyclosilicates Cyclosilicate Condensed Rings 3-membered rings

63.03.01

63.03.01.01 Moskvinite-(Y)! Na2K(Y,REE) [Si6O15] Ibmm 2/m 2/m 2/m