Mineralogy Database

Nickel-Strunz Oxides Classification

Search Webmineral :

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 Oxides Classification

04.DA With small cations

04.DA.05 Quartz SiO2 P 3121,P 3221 3 2
04.DA.10 Opal SiO2•n(H2O) None
04.DA.10 Tridymite SiO2 F1 1
04.DA.15 Cristobalite SiO2 P 41212 4 2 2
04.DA.20 Lutecite* SiO2 I12/a1=C 2/c 2/m
04.DA.20 Moganite! SiO2 I2/a 2/m
04.DA.25 IMA2008-067! SiO2•n(CH4,C2H6,C3H8,C4H10); (nmax = 3/17) Fd3 2/m 3
04.DA.25 Melanophlogite SiO2•n(C,H,O,S) P 41/nbc 4/m 2/m 2/m
04.DA.25 Melanophlogite-beta! SiO2•n(C,H,O,S) P m3n 4/m 3 2/m
04.DA.30 Lechatelierite* SiO2 None
04.DA.35 Coesite SiO2 C 2/c 2/m
04.DA.40 Stishovite SiO2 P 4/mnm 4/m 2/m 2/m
04.DA.50 Seifertite! SiO2 P bcn or Pb2n Ortho