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Redikortsevite

Formula:
(NH
 
4
)MgCl
 
3
 · 6H
 
2
O
System:OrthorhombicColour:Light yellow to ...
Hardness:2½
Name:After I.I. Redikortsev, discoverer of the Chelyabinsk coal basin.


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.

Classification of Redikortsevite

IMA status:Not Approved
Explanation of status:A mineral not submitted for evaluation.
Strunz 8th edition ID:3/0.0-
Nickel-Strunz 10th (pending) edition ID:3.CJ.25

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

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

Crystallography of Redikortsevite

Crystal System:Orthorhombic
Morphology:Flattened, prismatic crystals
X-Ray Powder Diffraction:
d-spacingIntensity
3.85 (50;220)
3.35 (100;040)
2.99 (50;222)

Optical Data of Redikortsevite

Type:Anisotropic

Chemical Properties of Redikortsevite

Formula:
(NH
 
4
)MgCl
 
3
 · 6H
 
2
O
All elements listed in formula:Cl, H, Mg, N, O
Analyical Data:Readily soluble in water.
Relationship of Redikortsevite to other Species
Related Minerals - Nickel-Strunz Grouping):

- + 
3.CJ.05Chlormanganokalite
K
 
4
[MnCl
 
6
]
3.CJ.05Rinneite
K
 
3
Na[FeCl
 
6
]
3.CJ.10Erythrosiderite
K
 
2
[Fe
3+
 
Cl
 
5
(OH
 
2
)]
3.CJ.10Kremersite
(NH
 
4
,K)
 
2
[Fe
3+
 
Cl
 
5
(H
 
2
O)]
3.CJ.15Mitscherlichite
K
 
2
[CuCl
 
4
] · 2H
 
2
O
3.CJ.20Douglasite
K
 
2
[Fe
2+
 
Cl
 
4
(OH
 
2
)
 
2
]
3.CJ.30Zirklerite
(Fe,Mg,Ca)
 
9
Al
 
4
Cl
 
18
(OH)
 
12
·14H
 
2
O (?)
Other Information
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Redikortsevite
Reference List: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.


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    Localities for Redikortsevite
     		

    (TL) indicates type locality.  ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.

    Germany
     
    

    • Saxony
    

      • Vogtland
    
    		Aufschluss (1996): 47: 41-48.
    Russia
     
    

    • Urals Region
    

      • Chelyabinsk Oblast'
    

        • Chelyabinsk coal basin
    

          • Coal Mine No. 50
    
    		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).
    

    


    

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