Dana Phyllosilicate Classification<br><small>Sheets of Six-Membered Rings</small>

Dana Phyllosilicate Classification
Sheets of Six-Membered 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 Phyllosilicate Classification
Sheets of Six-Membered Rings


71.01 Phyllosilicates Phyllosilicate Sheets of Six-Membered Rings with 1:1 layers

71.01.01 Kaolinite group

71.01.01.01 Dickite Al2Si2O5(OH)4 Cc m
71.01.01.02 Kaolinite Al2Si2O5(OH)4 P1 1
71.01.01.03 Nacrite Al2Si2O5(OH)4 Cc m
71.01.01.04 Halloysite Al2Si2O5(OH)4 Cc m
71.01.01.04a Endellite? Al2Si2O5(OH)4•2(H2O) Cc m
71.01.01.05 Odinite (Fe+++,Mg,Al,Fe++,Ti,Mn)2.5(Si,Al)2O5(OH)4 Cm m

71.01.02a Serpentine group

71.01.02a.01 Antigorite (Mg,Fe++)3Si2O5(OH)4 Cm m

71.01.02b Serpentine group (Lizardite subgroup)

71.01.02b.01 Caryopilite (Mn++,Mg,Zn,Fe++)3(Si,As)2O510(OH,Cl)4 Cm or C 2/m Mono
71.01.02b.02 Lizardite Mg3Si2O5(OH)4 P1 1
71.01.02b.03 Nepouite Ni3Si2O5(OH)4 Ccm21 mm2
71.01.02b.04 Greenalite (Fe++,Fe+++)2-3Si2O5(OH)4 Unk Mono

71.01.02c Serpentine group (Amesite subgroup)

71.01.02c.01 Amesite Mg2Al(SiAl)O5(OH)4 C1 1
71.01.02c.02 Berthierine (Fe++,Fe+++,Al,Mg)2-3(Si,Al)2O5(OH)4 Cm m
71.01.02c.03 Brindleyite (Ni,Mg,Fe++)2Al(SiAl)O5(OH)4 C 2 2
71.01.02c.04 Fraipontite (Zn,Al)3(Si,Al)2O5(OH)4 Cm m
71.01.02c.05 Kellyite (Mn++,Mg,Al)3(Si,Al)2O5(OH)4 P 63 6
71.01.02c.06 Manandonite Li2Al4[(Si2AlB)O10](OH)8 C1 1
71.01.02c.07 Cronstedtite Fe++2Fe+++(SiFe+++)O5(OH)4 P 31m 3m

71.01.02d Serpentine group (Chrysotile subgroup)

71.01.02d.00 Chrysotile! Mg3Si2O5(OH)4 A2/m 2/m
71.01.02d.01 Clinochrysotile? Mg3Si2O5(OH)4 Cc, C 2/m Mono
71.01.02d.02 Orthochrysotile? Mg3Si2O5(OH)4 Unk Ortho
71.01.02d.03 Parachrysotile? Mg3Si2O5(OH)4 Unk Ortho
71.01.02d.04 Pecoraite Ni3Si2O5(OH)4 C 2/m 2/m

71.01.03 Bismutoferrite group

71.01.03.01 Bismutoferrite BiFe+++2(SiO4)2(OH) Cm m
71.01.03.02 Chapmanite Sb+++Fe+++2(SiO4)2(OH) Cm m

71.01.04 Allophane group

71.01.04.01 Allophane Al2O3•(SiO2)1.3-2•((H2O))2.5-3 None
71.01.04.02 Hisingerite Fe+++2Si2O5(OH)4•2(H2O) Unk Mono
71.01.04.03 Imogolite Al2SiO3(OH)4 ? Mono
71.01.04.04 Neotocite (Mn,Fe++)SiO3•(H2O) (?) None
71.01.04.05 Zinalsite! Zn2AlSi2O5(OH)4•2(H2O) (?) Mono


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