Redikortsevite
Valid as an unnamed mineral
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Formula:
(NH4)MgCl3 · 6H2O
Colour:
Light yellow to colourless
Hardness:
2½
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.
Originally described from Mine dump, Coal Mine No. 50, Chelyabinsk coal basin, Chelyabinsk Oblast', Urals Region, Russia.
Unique Identifiers
Mindat ID:
29148
Long-form identifier:
mindat:1:1:29148:6
IMA Classification of Redikortsevite
IMA status notes:
Unnamed (probably valid)
Approval history:
Unnamed, but probably valid.
Classification of Redikortsevite
3.CJ.25
3 : HALIDES
C : Complex halides
J : With MX6 complexes; M = Fe, Mn, Cu
3 : HALIDES
C : Complex halides
J : With MX6 complexes; M = Fe, Mn, Cu
Physical Properties of Redikortsevite
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 Redikortsevite
Chemistry of Redikortsevite
Mindat Formula:
(NH4)MgCl3 · 6H2O
Element Weights:
Crystallography of Redikortsevite
Crystal System:
Orthorhombic
Morphology:
Flattened, prismatic crystals
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.85 Å | (50;220) |
| 3.35 Å | (100;040) |
| 2.99 Å | (50;222) |
| 2.36 Å | (50;400) |
Related Minerals - Strunz-mindat Grouping
| 3.CJ.05 | Rinneite | K3Na[FeCl6] |
| 3.CJ.05 | Saltonseaite | K3NaMnCl6 |
| 3.CJ.05 | Chlormanganokalite | K4[MnCl6] |
| 3.CJ.10 | Erythrosiderite | K2[Fe3+Cl5(H2O)] |
| 3.CJ.10 | Kremersite | (NH4,K)2[Fe3+Cl5(H2O)] |
| 3.CJ.15 | Mitscherlichite | K2CuCl4 · 2H2O |
| 3.CJ.20 | Douglasite | K2[Fe2+Cl4(OH2)2] |
| 3.CJ.30 | Zirklerite | (Fe,Mg,Ca)9Al4Cl18(OH)12 · 14H2O (?) |
| 3.CJ.30 | Kalithallite | K3Tl3+Cl6 · 2H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Redikortsevite
mindat.org URL:
https://www.mindat.org/min-29148.html
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Please feel free to link to this page.
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References for Redikortsevite
Localities for Redikortsevite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
Germany | |
| Aufschluss (1996) |
Poland | |
| Kruszewski (2012) |
| Kruszewski et al. (2018) +1 other reference |
Russia | |
| Cesnokov et al. (1998) |
| Chesnokov et al. (1988) |
