Dana Inosilicate Classification<br><small>Column or Tube Structures</small>

Dana Inosilicate Classification
Column or Tube Structures
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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 Inosilicate Classification
Column or Tube Structures

70 Inosilicates Inosilicate Column or Tube Structures

70.01 Inosilicates Inosilicate Column or Tube Structures with columnar silicate units

70.01.01 Litidionite group

70.01.01.01 Litidionite KNaCuSi4O10 P1 1
70.01.01.02 Fenaksite (K,Na,Ca)4(Fe++,Fe+++,Mn)2Si8O20(OH,F) P1 1
70.01.01.03 Manaksite KNaMn++Si4O10 P1 1
70.01.01.04 Agrellite NaCa2Si4O10F P1 1

70.01.02 Double crankshaft chains

70.01.02.01 Narsarsukite Na2(Ti,Fe+++)Si4(O,F)11 I 4/m 4/m
70.01.02.02 Caysichite-(Y) Y2(Ca,Gd)2Si4O10(CO3)3(H2O,O,OH)•3H20 Ccm21 mm2
70.01.02.03 Charoite K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)•3(H2O) P*/4 ((pseudo Ortho) 2/m

70.02 Inosilicates Inosilicate Column or Tube Structures with Si2O7 dimers

70.02.01

70.02.01.01 Miserite K1.5-x(Ca, Y,REE)5[Si6O15][Si2O7](OH,F)2•yH2O P1 1
70.02.01.02 Frankamenite! K3Na3Ca5(Si12O30)[F,(OH)]4•(H2O) P1 1

70.02.02

70.02.02.01 Penkvilksite Na4(Ti++++,Zr)2[Si8O22]•4(H2O) P 21/c 2/m
70.02.02.02 Tumchaite! Na2(Zr,Sn)Si4O11•2(H2O) P 21/c 2/m

70.03 Inosilicates Inosilicate Column or Tube Structures with balo-silicates

70.03.01

70.03.01.01 Ashcroftine-(Y) K5Na5(Y,Ca)12Si28O70(OH)2(CO3)8•8(H2O) I 4/mmm 4/m 2/m 2/m

70.04 Inosilicates Inosilicate Column or Tube Structures with linked chains forming cages

70.04.01 Neptunite group

70.04.01.01 Neptunite KNa2Li(Fe++,Mn)2Ti2Si8O24 Cc m
70.04.01.02 Manganoneptunite KNa2Li(Mn,Fe++)2Ti2Si8O24 C 2/m 2/m
70.04.01.03 Watatsumiite! Na2KMn2LiV2Si8O24 Cc m
70.04.01.04 IMA2009-009 KNa2Li(Mg,Fe)2Ti2Si8O24 C 2/m 2/m

70.05 Inosilicates Inosilicate Column or Tube Structures with chains linked by Be

70.05.01

70.05.01.01 Chiavennite CaMnBe2Si5O13(OH)2•2(H2O) Pnab 2/m 2/m 2/m

70.05.02

70.05.02.01 Tvedalite (Ca,Mn++)4Be3Si6O17(OH)4•3(H2O) C face centered Ortho

70.05.03

70.05.03.01 Bavenite Ca4Be2Al2Si9O26(OH)2 Am2a mm2