Chelyabinskite (original) (raw)
A material that is NOT an approved mineral species
Formula:
(Ca,Mg)3(SO4,CO3)2[Si(OH)6] · 9H2O (?)
Specific Gravity:
1.908 - 1.912
Crystal System:
Orthorhombic
Name:
After the area of occurrence, the Chelyabinsk coal basin, Urals Region, Russia.
A substance of anthropogenic origin (burning coal mine dumps). Current IMA regulations do not allow such substances to be validated as mineral species.
A questionable mineral, possessing many properties and values of, and possibly identical to Thaumasite.
Originally reported from Chelyabinsk coal basin, Chelyabinsk Oblast', Urals Region, Russia.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:6864:8
bc833847-9833-45b0-a960-155fc3d3ce54
IMA Classification of ChelyabinskiteHide
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IMA status notes:
Rejected by the IMA
Approval history:
Rejected by IMA: 1986
Classification of ChelyabinskiteHide
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7.DG.45
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
G : With large and medium-sized cations; with NO3, CO3, B(OH)4, SiO4 or IO3
Physical Properties of ChelyabinskiteHide
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Density:
1.908 - 1.912 g/cm3 (Measured) 1.938 g/cm3 (Calculated)
Optical Data of ChelyabinskiteHide
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RI values:
_n_α = 1.475 _n_β = 1.495 _n_γ = 1.508
2V:
Measured: 77° , Calculated: 76°
δ = 0.033
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of ChelyabinskiteHide
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Mindat Formula:
(Ca,Mg)3(SO4,CO3)2[Si(OH)6] · 9H2O (?)
Crystallography of ChelyabinskiteHide
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Crystal System:
Orthorhombic
Cell Parameters:
a = 19.01 Å, b = 20.93 Å, c = 22.45 Å
Ratio:
a:b:c = 0.908 : 1 : 1.073
Unit Cell V:
8,932.39 ų (Calculated from Unit Cell)
Other Language Names for ChelyabinskiteHide
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Related Minerals - Strunz-mindat GroupingHide
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| 7.DG. | Mathesiusite | K5(UO2)4(SO4)4(VO5) · 4H2O | Tet. 4/m : _P_4/n |
|---|---|---|---|
| 7.DG.05 | Darapskite | Na3(SO4)(NO3) · H2O | Mon. 2/m : _P_21/m |
| 7.DG.10 | Clinoungemachite | (Na, K, Fe, SO4) | Mon. 2/m |
| 7.DG.10 | Humberstonite | Na7K3Mg2(SO4)6(NO3)2 · 6H2O | Trig. 3 : _R_3 |
| 7.DG.10 | Ungemachite | K3Na8Fe(SO4)6(NO3)2 · 6H2O | Trig. 3 : _R_3 |
| 7.DG.15 | Bentorite | Ca6Cr2(SO4)3(OH)12 · 26H2O | Trig. 3_m_ : P_31_c |
| 7.DG.15 | Charlesite | Ca6(Al,Si)2(SO4)2[B(OH)4](OH,O)12 · 26H2O | Trig. 3_m_ : P_31_c |
| 7.DG.15 | Ettringite | Ca6Al2(SO4)3(OH)12 · 26H2O | Trig. 3_m_ : P_31_c |
| 7.DG.15 | Jouravskite | Ca3Mn4+(SO4)(CO3)(OH)6 · 12H2O | Hex. 6 : _P_63 |
| 7.DG.15 | Sturmanite | Ca6Fe3+2(SO4)2.5[B(OH)4](OH)12 · 25H2O | Trig. 3_m_ : P_31_c |
| 7.DG.15 | Thaumasite | Ca3(SO4)[Si(OH)6](CO3) · 12H2O | Hex. 6 : _P_63 |
| 7.DG.15 | Carraraite | Ca3(SO4)[Ge(OH)6](CO3) · 12H2O | Hex. |
| 7.DG.15 | Buryatite | Ca3(Si,Fe3+,Al)(SO4)B(OH)4(OH,O)6 · 12H2O | Trig. 3_m_ : P_31_c |
| 7.DG.15 | Birunite | Ca18(SiO3)8.5(CO3)8.5SO4 · 15H2O(?) | |
| 7.DG.15 | Hielscherite | Ca3Si(SO4)(SO3)(OH)6 · 11H2O | Hex. 6 : _P_63 |
| 7.DG.15 | Kottenheimite | Ca 3Si(SO4)2(OH)6 · 12H2O | Hex. 6/m : _P_63/m |
| 7.DG.15 | Imayoshiite | Ca3Al(CO3)[B(OH)4](OH)6 · 12H2O | Hex. 6 : _P_63 |
| 7.DG.15 | Tatarinovite | Ca3Al(SO4)[B(OH)4](OH)6 · 12H2O | Hex. 6 : _P_63 |
| 7.DG.15 | Siwaqaite | Ca6Al2(CrO4)3(OH)12 · 26H2O | Trig. 3_m_ : P_31_c |
| 7.DG.15 | Chiyokoite | Ca3Si(CO3)[B(OH)4]O (OH)5 · 12H2O | Hex. 6 : _P_63 |
| 7.DG.20 | Rapidcreekite | Ca2(SO4)(CO3) · 4H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n |
| 7.DG.25 | Tatarskite | Ca6Mg2(SO4)2(CO3)2(OH)4Cl4 · 7H2O | Orth. |
| 7.DG.30 | Nakauriite | Cu8(SO4)4(CO3)(OH)6 · 48H2O | Orth. |
| 7.DG.35 | Chessexite | (Na,K)4Ca2(Mg,Zn)3Al8(SO4)10(SiO4)2 · 40H2O | Orth. |
| 7.DG.40 | Carlosruizite | K6(Na,K)4Na6Mg10(SeO4)12(IO3)12 · 12H2O | Trig. 3_m_ _(_32/m ) : _P_3_c_1 |
| 7.DG.40 | Fuenzalidaite | K6(Na,K)4Na6Mg10(SO4)12(IO3)12 · 12H2O | Trig. 3_m_ _(_32/m ) : _P_3_c_1 |
| 7.DG.55 | Ramazzoite | [Mg8Cu12(PO4)(CO3)4(OH)24(H2O)20][(H0.33SO4)3(H2O)36] | Iso. 43_m_ : P_43_m |
| 7.DG.60 | Witzkeite | Na4K4Ca(NO3)2(SO4)4 · 2H2O | Mon. 2/m : _B_2/b |
Fluorescence of ChelyabinskiteHide
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Bluish white fluorescence (UV).
Other InformationHide
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Notes:
Boils intensely in HCl, leaving a siliceous residue.
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 ChelyabinskiteHide
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References for ChelyabinskiteHide
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Localities for ChelyabinskiteHide
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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
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- 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). 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
| Russia | |
|---|---|
| Chelyabinsk Oblast ⓘ Chelyabinsk coal basin | Mineralogical Magazine 60:527 |
| Korkinsky District ⓘ Korkino | Cesnokov et al. (1998) |
| ⓘ Korkinskii coal quarry | Pekov (1998) |