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Rauchite

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Rauchite

Belorechenskoe deposit, Adygea Republic, Northern Caucasus Region, Russia
Rauchite

Belorechenskoe deposit, Adygea Republic, Northern Caucasus Region, Russia
Rauchite

Belorechenskoe deposit, Adygea Republic, Northern Caucasus Region, Russia
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:
Autunite Group
Name:
Luděk Rauch (1951-1983) Czech mineral collector.
Hydrated analogue of metarauchite.


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Classification of RauchiteHide

IMA status:
Approved
Approval Year:
2010
Nickel-Strunz 10th (pending) ed.:
8.EB.05

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
B : UO2:RO4 = 1:1

Physical Properties of RauchiteHide

Lustre:
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}
Fracture:
Micaceous
Density:
3.427 g/cm3 (Calculated)

Optical Data of RauchiteHide

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.
Surface Relief:
Low
Dispersion:
Non observed.

Chemical Properties of RauchiteHide

Formula:
Ni(UO2)2(AsO4)2 · 10H2O
Elements listed:
As, H, Ni, O, U - search for minerals with similar chemistry
Common Impurities:
Mg,Co,Zn,P

Crystallography of RauchiteHide

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)°
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.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.97 (100)
6.641 (22)
4.936 (62)
4.533 (41)
3.539 (93)
3.388 (43)
2.488 (27)
2.233 (27)

Type Occurrence of RauchiteHide

Synonyms of RauchiteHide

Other Language Names for RauchiteHide

Relationship of Rauchite to other SpeciesHide

Member of:
Autunite Group
Other Members of this group:
AutuniteCa(UO2)2(PO4)2 · 11H2OOrth. mmm (2/m 2/m 2/m) : Pnma
BassetiteFe2+(UO2)2(PO4)2 · 10H2OMon. 2/m
HeinrichiteBa(UO2)2(AsO4)2 · 10H2OMon. 2/m
KahleriteFe(UO2)2(AsO4)2 · 12H2OTet. 4/m : P42/n
MetarauchiteNi(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
Nováčekite-IMg(UO2)2(AsO4)2 · 12H2OTric. 1 : P1
Nováčekite-IIMg(UO2)2(AsO4)2 · 10H2OMon. 2/m
SabugaliteHAl(UO2)4(PO4)4 · 16H2OMon. 2/m : B2/m
SaléeiteMg(UO2)2(PO4)2 · 10H2OMon. 2/m : P21/b
TorberniteCu(UO2)2(PO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
UranocirciteBa(UO2)2(PO4)2 · 10H2OTet.
UranospiniteCa(UO2)(AsO4)2 · 10H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
ZeuneriteCu(UO2)2(AsO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm

Related Minerals - Nickel-Strunz GroupingHide

8.EB.05AutuniteCa(UO2)2(PO4)2 · 11H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.EB.05HeinrichiteBa(UO2)2(AsO4)2 · 10H2OMon. 2/m
8.EB.05KahleriteFe(UO2)2(AsO4)2 · 12H2OTet. 4/m : P42/n
8.EB.05Nováčekite-IMg(UO2)2(AsO4)2 · 12H2OTric. 1 : P1
8.EB.05SaléeiteMg(UO2)2(PO4)2 · 10H2OMon. 2/m : P21/b
8.EB.05TorberniteCu(UO2)2(PO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.EB.05UranocirciteBa(UO2)2(PO4)2 · 10H2OTet.
8.EB.05UranospiniteCa(UO2)(AsO4)2 · 10H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.05Xiangjiangite(Fe3+,Al)(UO2)4(PO4)2(SO4)2(OH) · 22H2OTet.
8.EB.05ZeuneriteCu(UO2)2(AsO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.EB.05MetarauchiteNi(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
8.EB.10BassetiteFe2+(UO2)2(PO4)2 · 10H2OMon. 2/m
8.EB.10LehneriteMn2+(UO2)2(PO4)2 · 8H2OMon.
8.EB.10Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2OTet. 4/mmm (4/m 2/m 2/m)
8.EB.10MetasaléeiteMg(UO2)2(PO4)2 · 8H2O
8.EB.10Metauranocircite-IBa(UO2)2(PO4)2 · 7H2OMon. 2 : P21
8.EB.10MetauranospiniteCa(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
8.EB.10MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2OTet. 4mm
8.EB.10MetakahleriteFe2+(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
8.EB.10MetakirchheimeriteCo(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
8.EB.10MetanováčekiteMg(UO2)2(AsO4)2 · 8H2OTet. 4/m : P4/n
8.EB.10MetatorberniteCu(UO2)2(PO4)2 · 8H2OTet. 4/m : P4/n
8.EB.10MetazeuneriteCu(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
8.EB.10PrzhevalskitePb2(UO2)3(PO4)2(OH)4 · 3H2OOrth.
8.EB.10Meta-lodèviteZn(UO2)2(AsO4)2 · 10H2O
8.EB.15AbernathyiteK(UO2)(AsO4) · 3H2OTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
8.EB.15Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2OTet.
8.EB.15Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.15Natrouranospinite(Na2,Ca)(UO2)2(AsO4)2 · 5H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.15Trögerite(H3O)(UO2)(AsO4) · 3H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.15Uramphite(NH4)2(UO2)2(PO4)2 · 6H2OTet.
8.EB.15Uramarsite(NH4,H3O)2(UO2)2(AsO4,PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
8.EB.20ThreadgolditeAl(UO2)2(PO4)2(OH) · 8H2OMon.
8.EB.20ChistyakovaiteAl(UO2)2(AsO4)2(F,OH) · 6.5H2OMon.
8.EB.25ArsenuranospathiteAl[(UO2)(AsO4)]2F(H2O)20Orth. mm2 : Pnn2
8.EB.25Uranospathite(Al,☐)(UO2)2(PO4)2F · 20(H2O,F)Orth. mm2 : Pnn2
8.EB.30Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2OMon.
8.EB.35CoconinoiteFe3+2Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2OMon.
8.EB.40RanunculiteHAl(UO2)(PO4)(OH)3 · 4H2OMon.
8.EB.45TrianguliteAl3(UO2)4(PO4)4(OH)5 · 5H2OTric.
8.EB.50FurongiteAl13(UO2)7(PO4)13(OH)14 · 58H2OTric. 1 : P1
8.EB.55SabugaliteHAl(UO2)4(PO4)4 · 16H2OMon. 2/m : B2/m

Fluorescence of RauchiteHide

In UV light:
Non-fluorescent.

Other InformationHide

Health Risks:
Radioactive.

References for RauchiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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.

Internet Links for RauchiteHide

Localities for RauchiteHide

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.
Russia (TL)
 
  • Northern Caucasus Region
    • Adygea Republic (Adygeya)
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.
Mineral and/or Locality  
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