Rauchite
A valid IMA mineral species
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About Rauchite
Luděk Rauch
Formula:
Ni(UO2)2(AsO4)2 · 10H2O
Colour:
Light yellowish-green, pale green
Lustre:
Vitreous
Hardness:
2
Specific Gravity:
3.427 (Calculated)
Crystal System:
Triclinic
Member of:
Name:
Named in accordance with the naming rules accepted for the autunite group as the hydrated analogue of metarauchite (which was named first). Metarauchite was in turn named in honor of Luděk Rauch (1 July 1951 - 5 December 1983, Jáchymov, Czech Republic), a Czech mineral collector who died trgically in the Jáchymov mines while collecting.
Unique Identifiers
Mindat ID:
43270
Long-form identifier:
mindat:1:1:43270:0
GUID
(UUID V4):
(UUID V4):
5753a53a-330b-42e6-a1bc-58d1e9d40607
IMA Classification of Rauchite
Approved
Approval year:
2010
First published:
2012
Type description reference:
Pekov, Igor V., Levitskiy, Viktor V., Krivovichev, Sergey V., Zolotarev, Andrey A., Bryzgalov, Igor A., Zadov, Aleksandr E., Chukanov, Nikita V. (2012) New nickel-uranium-arsenic mineral species from the oxidation zone of the Belorechenskoye deposit, Northern Caucasus, Russia: I. Rauchite, Ni(UO2)2(AsO4)2·10H2O, a member of the autunite group. European Journal of Mineralogy, 24 (5) 913-922 doi:10.1127/0935-1221/2012/0024-2217
Classification of Rauchite
8.EB.05
8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
B : UO2:RO4 = 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
B : UO2:RO4 = 1:1
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Rau | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Rauchite
Vitreous
Transparency:
Transparent, Translucent
Comment:
pearly on the {001} cleavage surfaces
Colour:
Light yellowish-green, pale green
Comment:
Colourless in thin section
Streak:
White
Hardness:
2 on Mohs scale
Hardness Data:
Estimated
Tenacity:
Brittle
Cleavage:
Perfect
on {001}
on {001}
Fracture:
Micaceous
Density:
3.427 g/cm3 (Calculated)
Optical Data of Rauchite
Type:
Biaxial (-)
RI values:
nα = 1.550(3) nβ = 1.578(1) nγ = 1.581(1)
2V:
Measured: 40° (5), Calculated: 36°
Max Birefringence:
δ = 0.031
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
Non observed.
Chemistry of Rauchite
Mindat Formula:
Ni(UO2)2(AsO4)2 · 10H2O
Common Impurities:
Mg,Co,Zn,P
Crystallography of Rauchite
Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.100(3) Å, b = 7.125(3) Å, c = 10.751(4) Å
α = 106.855(7)°, β = 104.366(7)°, γ = 90.420(6)°
α = 106.855(7)°, β = 104.366(7)°, γ = 90.420(6)°
Ratio:
a:b:c = 0.996 : 1 : 1.509
Unit Cell V:
502.4 ų
Z:
1
Morphology:
Pseudo-tetragonal (quadratic or, more often, rectangular) lamellar crystals. The major form is the {001} pinacoid, the lateral faces are very narrow and could not be indexed.
Comment:
Cell data for Mg- and P-bearing sample; dataset collected at 153 K.
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 9.97 Å | (100) |
| 6.641 Å | (22) |
| 4.936 Å | (62) |
| 4.533 Å | (41) |
| 3.539 Å | (93) |
| 3.388 Å | (43) |
| 2.488 Å | (27) |
| 2.233 Å | (27) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] | |
| 47f : [Uranyl (U⁶⁺) minerals] |
Type Occurrence of Rauchite
Place of Conservation of Type Material:
Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 3997/1.
Reference:
Pekov, I.V., Levitskiy, V.V., Krivovichev, S.V., Zolotarev, A.A., Bryzgalov, I.A., Zadov, A.E. & Chukanov, N.V. (2012) New nickel-uranium-arsenic mineral species from the oxidation zone of the Belorechenskoye deposit, Northern Caucasus, Russia: I. Rauchite, Ni(UO2)2(AsO4)2.10H2O, a member of the autunite group. European Journal of Mineralogy: 24: 913-922.
Synonyms of Rauchite
Relationship of Rauchite to other Species
Member of:
Other Members of this group:
| Autunite | Ca(UO2)2(PO4)2 · 10-12H2O | Orth. mmm (2/m 2/m 2/m) : Pnma |
| Bassetite | Fe2+(UO2)2(PO4)2 · 10H2O | Mon. 2/m |
| Heinrichite | Ba(UO2)2(AsO4)2 · 10H2O | Mon. 2/m : P2/b |
| Hydronováčekite | Mg(UO2)2(AsO4)2 · 12H2O | Tric. 1 : P1 |
| Kahlerite | Fe(UO2)2(AsO4)2 · 12H2O | Tet. 4/m : P42/n |
| Nováčekite | Mg(UO2)2(AsO4)2 · 10H2O | Mon. 2/m |
| Sabugalite | HAl(UO2)4(PO4)4 · 16H2O | Mon. 2/m : B2/m |
| Saléeite | Mg(UO2)2(PO4)2 · 10H2O | Mon. 2/m |
| Torbernite | Cu(UO2)2(PO4)2 · 12H2O | Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm |
| Uranocircite | Ba(UO2)2(PO4)2 · 10H2O | Tet. |
| Uranospinite | Ca(UO2)2(AsO4)2 · 10H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
| Zeunerite | Cu(UO2)2(AsO4)2 · 12H2O | Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm |
Related Minerals - Strunz-mindat Grouping
| 8.EB. | Meta-autunite Group | A1-2(UO2)2(TO4)2 · 5-10H2O |
| 8.EB.05 | Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| 8.EB.05 | Heinrichite | Ba(UO2)2(AsO4)2 · 10H2O |
| 8.EB.05 | Kahlerite | Fe(UO2)2(AsO4)2 · 12H2O |
| 8.EB.05 | Hydronováčekite | Mg(UO2)2(AsO4)2 · 12H2O |
| 8.EB.05 | Saléeite | Mg(UO2)2(PO4)2 · 10H2O |
| 8.EB.05 | Torbernite | Cu(UO2)2(PO4)2 · 12H2O |
| 8.EB.05 | Uranocircite | Ba(UO2)2(PO4)2 · 10H2O |
| 8.EB.05 | Uranospinite | Ca(UO2)2(AsO4)2 · 10H2O |
| 8.EB.05 | Xiangjiangite | (Fe3+,Al)(UO2)4(PO4)2(SO4)2(OH) · 22H2O |
| 8.EB.05 | Zeunerite | Cu(UO2)2(AsO4)2 · 12H2O |
| 8.EB.05 | Metarauchite | Ni(UO2)2(AsO4)2 · 8H2O |
| 8.EB.05 | Nováčekite | Mg(UO2)2(AsO4)2 · 10H2O |
| 8.EB.10 | Bassetite | Fe2+(UO2)2(PO4)2 · 10H2O |
| 8.EB.10 | Lehnerite | Mn2+(UO2)2(PO4)2 · 8H2O |
| 8.EB.10 | Meta-autunite | Ca(UO2)2(PO4)2 · 6H2O |
| 8.EB.10 | Metasaléeite | Mg(UO2)2(PO4)2 · 8H2O |
| 8.EB.10 | Metauranocircite | Ba(UO2)2(PO4)2 · 7H2O |
| 8.EB.10 | Metauranospinite | Ca(UO2)2(AsO4)2 · 8H2O |
| 8.EB.10 | Metaheinrichite | Ba(UO2)2(AsO4)2 · 8H2O |
| 8.EB.10 | Metakahlerite | Fe2+(UO2)2(AsO4)2 · 8H2O |
| 8.EB.10 | Metakirchheimerite | Co(UO2)2(AsO4)2 · 8H2O |
| 8.EB.10 | Metanováčekite | Mg(UO2)2(AsO4)2 · 8H2O |
| 8.EB.10 | Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
| 8.EB.10 | Metazeunerite | Cu(UO2)2(AsO4)2 · 8H2O |
| 8.EB.10 | Przhevalskite | Pb2(UO2)3(PO4)2(OH)4 · 3H2O |
| 8.EB.10 | Pseudo-autunite | (H3O)4Ca2(UO2)2(PO4)4 · 5H2O |
| 8.EB.10 | Metanatroautunite | Na(UO2)(PO4)(H2O)3 |
| 8.EB.15 | Abernathyite | K(UO2)(AsO4) · 3H2O |
| 8.EB.15 | Chernikovite | (H3O)2(UO2)2(PO4)2 · 6H2O |
| 8.EB.15 | Meta-ankoleite | K2(UO2)2(PO4)2 · 6H2O |
| 8.EB.15 | Natrouranospinite | Na2(UO2)2(AsO4)2 · 5H2O |
| 8.EB.15 | Trögerite | (H3O)(UO2)(AsO4) · 3H2O |
| 8.EB.15 | Uramphite | (NH4)2(UO2)2(PO4)2 · 6H2O |
| 8.EB.15 | Uramarsite | (NH4)(UO2)(AsO4) · 3H2O |
| 8.EB.20 | Threadgoldite | Al(UO2)2(PO4)2(OH) · 8H2O |
| 8.EB.20 | Chistyakovaite | Al(UO2)2(AsO4)2(F,OH) · 6.5H2O |
| 8.EB.25 | Arsenuranospathite | Al(UO2)2(AsO4)2F · 20H2O |
| 8.EB.25 | Uranospathite | (Al,◻)(UO2)2(PO4)2F · 20(H2O,F) |
| 8.EB.30 | Vochtenite | (Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O |
| 8.EB.35 | Coconinoite | Fe3+2Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2O |
| 8.EB.40 | Ranunculite | HAl(UO2)(PO4)(OH)3 · 4H2O |
| 8.EB.45 | Triangulite | Al3(UO2)4(PO4)4(OH)5 · 5H2O |
| 8.EB.50 | Furongite | Al13(UO2)7(PO4)13(OH)14 · 58H2O |
| 8.EB.55 | Sabugalite | HAl(UO2)4(PO4)4 · 16H2O |
| 8.EB.60 | Horákite | (Bi7O7OH)[(UO2)4(PO4)2(AsO4)2(OH)2] · 3.5H2O |
Fluorescence of Rauchite
Non-fluorescent.
Other Information
Health Risks:
Radioactive.
Internet Links for Rauchite
mindat.org URL:
https://www.mindat.org/min-43270.html
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External Links:
References for Rauchite
Reference List:
Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2010) New minerals and nomenclature modifications approved in 2010, CNMNC Newsletter No 5. Mineralogical Magazine, 74 (5) 859-862 doi:10.1180/s0026461x00056887
Pekov, Igor V., Levitskiy, Viktor V., Krivovichev, Sergey V., Zolotarev, Andrey A., Bryzgalov, Igor A., Zadov, Aleksandr E., Chukanov, Nikita V. (2012) New nickel-uranium-arsenic mineral species from the oxidation zone of the Belorechenskoye deposit, Northern Caucasus, Russia: I. Rauchite, Ni(UO2)2(AsO4)2·10H2O, a member of the autunite group. European Journal of Mineralogy, 24 (5) 913-922 doi:10.1127/0935-1221/2012/0024-2217
Localities for Rauchite
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.
Czech Republic | |
| |
Russia (TL) | |
| Pekov, Igor V., Levitskiy, Viktor V., Krivovichev, Sergey V., Zolotarev, Andrey A., Bryzgalov, Igor A., Zadov, Aleksandr E., Chukanov, Nikita V. (2012) New nickel-uranium-arsenic mineral species from the oxidation zone of the Belorechenskoye deposit, Northern Caucasus, Russia: I. Rauchite, Ni(UO2)2(AsO4)2·10H2O, a member of the autunite group. European Journal of Mineralogy, 24 (5) 913-922 doi:10.1127/0935-1221/2012/0024-2217 |
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Belorechensk deposit, Maykopsky District, Adygea, Russia