Mineralogy Database

Nickel-Strunz Silicates Classification

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Minerals Arranged by Nickel-Strunz (Version 10) Classification

The Nickel-Strunz 10th Edition (Pending Publication) Mineralogical Tables by Hugo Strunz and Ernest H. Nickel is based on a digital copy obtained from Jim Ferraiolo. Jim is responsible for the Strunz Classification in Mindat.org and he has generously provided webmineral with an updated copy of the classification numbers. Follow this link for a short discussion on the Nickel-Strunz Classification Number.

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

! - Dana Number Added or Changed.

? - IMA Discredited Mineral Name.

Nickel-Strunz Silicates Classification


09.ED Phyllosilicates with kaolinite layers

09.ED.05 Dickite Al2Si2O5(OH)4 Cc m
09.ED.05 Kaolinite Al2Si2O5(OH)4 P1 1
09.ED.05 Nacrite Al2Si2O5(OH)4 Cc m
09.ED.10 Hisingerite Fe+++2Si2O5(OH)4•2(H2O) Unk Mono
09.ED.10 Endellite! Al2Si2O5(OH)4•2(H2O) Cc m
09.ED.10 Halloysite Al2Si2O5(OH)4 Cc m
09.ED.10 Sturtite? (Fe3+)(Mn2+,Ca,Mg)Si4O10(OH)3•10(H2O) None
09.ED.15 Clinochrysotile? Mg3Si2O5(OH)4 Cc, C 2/m Mono
09.ED.15 Berthierine (Fe++,Fe+++,Al,Mg)2-3(Si,Al)2O5(OH)4 Cm m
09.ED.15 Brindleyite (Ni,Mg,Fe++)2Al(SiAl)O5(OH)4 C 2 2
09.ED.15 Amesite Mg2Al(SiAl)O5(OH)4 C1 1
09.ED.15 Antigorite (Mg,Fe++)3Si2O5(OH)4 Cm m
09.ED.15 Caryopilite (Mn++,Mg,Zn,Fe++)3(Si,As)2O510(OH,Cl)4 Cm or C 2/m Mono
09.ED.15 Fraipontite (Zn,Al)3(Si,Al)2O5(OH)4 Cm m
09.ED.15 Cronstedtite Fe++2Fe+++(SiFe+++)O5(OH)4 P 31m 3m
09.ED.15 Chrysotile Mg3Si2O5(OH)4 A2/m 2/m
09.ED.15 Nepouite Ni3Si2O5(OH)4 Ccm21 mm2
09.ED.15 Greenalite (Fe++,Fe+++)2-3Si2O5(OH)4 Unk Mono
09.ED.15 Kellyite (Mn++,Mg,Al)3(Si,Al)2O5(OH)4 P 63 6
09.ED.15 Lizardite Mg3Si2O5(OH)4 P1 1
09.ED.15 Orthochrysotile? Mg3Si2O5(OH)4 Unk Ortho
09.ED.15 Manandonite Li2Al4[(Si2AlB)O10](OH)8 C1 1
09.ED.15 Pecoraite Ni3Si2O5(OH)4 C 2/m 2/m
09.ED.15 Parachrysotile? Mg3Si2O5(OH)4 Unk Ortho
09.ED.15 Maufite? (Mg,Ni)Al4Si3O13•4(H2O) (?) Mono ? Mono
09.ED.20 Allophane Al2O3•(SiO2)1.3-2•((H2O))2.5-3 None
09.ED.20 Neotocite (Mn,Fe++)SiO3•(H2O) (?) None
09.ED.20 Imogolite Al2SiO3(OH)4 ? Mono
09.ED.20 Chrysocolla (Cu,Al)2H2Si2O5(OH)4•n(H2O) Unk Ortho
09.ED.25 Bismutoferrite BiFe+++2(SiO4)2(OH) Cm m
09.ED.25 Chapmanite Sb+++Fe+++2(SiO4)2(OH) Cm m