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Redikortsevite

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Formula:
(NH4)MgCl3 · 6H2O
Colour:
Light yellow to colourless
Hardness:
Specific Gravity:
1.43
Crystal System:
Orthorhombic
Name:
After I.I. Redikortsev, discoverer of the Chelyabinsk coal basin.
Dimorph of:
An unapproved mineral (name not submitted). This compound does not qualify as a mineral species due to the anthropogenic factor (burning coal mines).

Originally described from Mine dump, Coal Mine No. 50, Chelyabinsk coal basin, Chelyabinsk Oblast', Urals Region, Russia.


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Classification of RedikortseviteHide

Notes:
Unnamed (probably valid)
Approval History:
Unnamed, but probably valid.
3.CJ.25

3 : HALIDES
C : Complex halides
J : With MX6 complexes; M = Fe, Mn, Cu

Physical Properties of RedikortseviteHide

Transparency:
Transparent
Colour:
Light yellow to colourless
Hardness:
2½ on Mohs scale
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
1.43 g/cm3 (Measured)    

Optical Data of RedikortseviteHide

Type:
Anisotropic

Chemical Properties of RedikortseviteHide

Formula:
(NH4)MgCl3 · 6H2O

Crystallography of RedikortseviteHide

Crystal System:
Orthorhombic
Morphology:
Flattened, prismatic crystals

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.85 (50;220)
3.35 (100;040)
2.99 (50;222)
2.36 (50;400)

Related Minerals - Nickel-Strunz GroupingHide

3.CJ.05ChlormanganokaliteK4[MnCl6]Trig.
3.CJ.05RinneiteK3Na[FeCl6]Trig. 3m (3 2/m) : R3c
3.CJ.10ErythrosideriteK2[Fe3+Cl5(H2O)]Orth. mmm (2/m 2/m 2/m) : Pnma
3.CJ.10Kremersite(NH4,K)2[Fe3+Cl5(H2O)]Orth. mmm (2/m 2/m 2/m)
3.CJ.15MitscherlichiteK2CuCl4 · 2H2OTet. 4/mmm (4/m 2/m 2/m)
3.CJ.20DouglasiteK2[Fe2+Cl4(OH2)2]Mon.
3.CJ.30Zirklerite(Fe,Mg,Ca)9Al4Cl18(OH)12 · 14H2O (?)Trig.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for RedikortseviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chesnokov, B.V., L.F. Bazhenova, E.P. Shcherbakova, T.A. Michal, T.N. Deriabina (1988), New minerals from the burned dumps of the Chelyabinsk coal basin, in Mineralogy, technogenesis, and mineral-resource complexes of the Urals. Akad. Nauk SSSR-Uralskoe Otdel.: 5-31 (in Russian).
Jambor, John L. and Jacek Puziewicz (1993), New Mineral Names, American Mineralogist (1993): 78: 1108-1112.
Aufschluss (1996): 47: 41-48.
Stachowicz, M. et al.: (2011): Acta Crystallogr. A67, C573 (abs.) [http://scripts.iucr.org/cgi-bin/paper?a48050]

Internet Links for RedikortseviteHide

Localities for RedikortseviteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Germany
 
  • Saxony
    • Vogtland
Aufschluss (1996): 47: 41-48.
Poland
 
  • Upper Silesia (Śląskie)
    • Upper Silesian Coal Basin
      • Rybnik Coal Area
        • Radlin
Łukasz Kruszewski (2012) Unique chloride assemblage of exhalative origin from burning coal-mining dump in Radlin (Rybnik Coal Area, S Poland). Mineralogical Society of Poland Special Papers 40
Russia
 
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
        • Chelyabinsk coal basin
          • Kopeisk
Cesnokov, B., M. Kotrly, and T. Nisanbajev (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
Chesnokov, B.V., L.F. Bazhenova, E.P. Shcherbakova, T.A. Michal, T.N. Deriabina (1988), New minerals from the burned dumps of the Chelyabinsk coal basin, in Mineralogy, technogenesis, and mineral-resource complexes of the Urals. Akad. Nauk SSSR-Uralskoe Otdel.: 5-31 (in Russian).
Mineral and/or Locality  
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