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SYSTEMATIC of the MINERALS / SYSTEMATIK der MINERALE

           according to E.H. Nickel & M.C. Nichols (2007), H. Strunz & E.H. Nickel (2001)



1. ELEMENTS
(Metals and intermetallic alloys, Metalloids and Nonmetals, Carbides, Silicides, Nitrides and Phosphides)


1.D: Nonmetalcarbides and -nitrides


1.DA. Nonmetalcarbides
                          
1.DA.05. Moissanite group
 
Moissanite (-6H) SiC hex., P63mc FOTO     G
     Moissanite-3C SiC cub., F-43m.Poly
     Moissanite-2H SiC hex., P63mc  Poly
     Moissanite-4H SiC hex., P63mcPoly
     Moissanite-5H SiC hex., P63mcPoly
     Moissanite-15R SiC trig., R3m.Poly
     Moissanite-33R SiC trig.Poly

Moissanite-6H is the common polytype.


 
1.DB. Nonmetalnitrides
 
1.DB.05. Nierite group
 
Nierite Si3N4 trig., P31cIMA 1994-032


 
1.DB.10. Sinoite group
 
Sinoite Si2N2O orth., Cmc21 FOTOA





in bold: grandfathered, IMA accepted, renamed and redefined (with IMA approval) minerals,
in normal letters: minerals published without IMA approval, questionable minerals, polytypes

G = Grandfathered minerals: original description preceded the establishment of the CNMNC in 1959, and generally regarded as a valid species
A or IMA No. = Minerals approved by the CNMNC
Rd = Redefinition of the mineral approved by the CNMNC
Rn = Renamed with approval by the CNMNC
GROUP = a name used to designate a group of species
N = Mineral published without approval of the CNMNC
Q = Questionable mineral
H = Hypothetical mineral (synthetic, anthropogenic, etc.)
D = Discredited by the CNMNC
Poly = Polytype




© Thomas Witzke / Stollentroll (2007-2009)


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