|
|
|
MINERAL CLASSIFICATION / SYSTEMATIK der MINERALE based on E.H. Nickel & M.C. Nichols (2009), H. Strunz & E.H. Nickel (2001), revised by Thomas Witzke (2023) 3. HALIDES (Fluorides, Chlorides, Bromides, Iodides) 3.B: Simple Halides, with H2O | ||||||||||||||||||
3.BA. Simple Halides with H2O, M : X = 1 : 1 and 2 : 3 | ||||||||||||||||||
3.BA.005. Hydrohalite | ||||||||||||||||||
Hydrohalite | NaCl·2H2O | cub., F43m | G | |||||||||||||||
3.BA.010. Cryobostryxite | ||||||||||||||||||
Cryobostryxite | KZnCl3·2H2O | mon., P21/c | IMA 2014-058 | |||||||||||||||
3.BA.015. Carnallite | ||||||||||||||||||
Carnallite | KMgCl3·6H2O | orth., Pbnn | G | |||||||||||||||
3.BA.020. Novograblenovite | ||||||||||||||||||
Novograblenovite | (NH4)MgCl3·6H2O | mon., C2/c | FOTO | IMA 2017-060 | ||||||||||||||
| ||||||||||||||||||
3.BB. Simple Halides with H2O (or NH3), M : X = 1 : 2 | ||||||||||||||||||
3.BB.005. Eriochalcite | ||||||||||||||||||
Eriochalcite | CuCl2·2H2O | orth., Pbmn | FOTO | G | ||||||||||||||
3.BB.010. Rokühnite | ||||||||||||||||||
Rokühnite | FeCl2·2H2O | mon., C2/m | IMA 1979-036 | |||||||||||||||
3.BB.015. Bischofite | ||||||||||||||||||
Bischofite | MgCl2·6H2O | mon., C2/m | FOTO | G | ||||||||||||||
3.BB.020. Nickelbischofite | ||||||||||||||||||
Nickelbischofite | NiCl2·6H2O | mon., C2/m | FOTO | IMA 1978-056 | ||||||||||||||
3.BB.025. Sinjarite | ||||||||||||||||||
Sinjarite | CaCl2·2H2O | tetr., Pbna | IMA 1979-041 | |||||||||||||||
3.BB.030. Ghiaraite | ||||||||||||||||||
Ghiaraite | CaCl2·4H2O | tric., P1 | IMA 2012-072 | |||||||||||||||
3.BB.035. Antarcticite | ||||||||||||||||||
Antarcticite | CaCl2·6H2O | trig., P321 | IMA 1965-015 | |||||||||||||||
3.BB.040. Tachyhydrite | ||||||||||||||||||
Tachyhydrite | CaMg2Cl6·12H2O | trig., R3 | FOTO | G | ||||||||||||||
3.BB.045. Ammineite | ||||||||||||||||||
Ammineite | CuCl2·2NH3 | orth. | FOTO | IMA 2008-032 | ||||||||||||||
| ||||||||||||||||||
3.BC. Simple Halides with H2O, M : X = 1 : 3 | ||||||||||||||||||
3.BC.005. Chloraluminite | ||||||||||||||||||
Chloraluminite | AlCl3·6H2O | trig., R3c | G | |||||||||||||||
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 Q = Questionable mineral Classification principles: Subdivision of the Halides subclass 3.B: Simple Halides, with water into 3.BA. Simple Halides with H2O, M : X = 1 : 1 and 2 : 3; 3.BB. Simple Halides with H2O, M : X = 1 : 2; 3.BC. Simple Halides with H2O, M : X = 1 : 3 from Strunz 9 is retained. The order "3.BD. Simple Halides with H2O and additional OH" from Strunz 9 was deleted and the minerals placed in the 3.D subclass, there they fit better. Further classification:
To distinguish from classical Strunz numbering, on hierarchical "group" level, a numbering with 3 digits is used, like "3.BA.005. Hydrohalite", instead of 2 digits (like "3.BA.05.") in the Strunz system. © Thomas Witzke (2023) |
|
|
|