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Rauchite

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Rauchite

Belorechenskoe deposit, Adygea, Russia
Rauchite

Belorechenskoe deposit, Adygea, Russia
Rauchite

Belorechenskoe deposit, Adygea, Russia
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About RauchiteHide

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:
Autunite Group
Name:
Named in accordance with the naming rules accepted for the autunite group as the hydrated analogue of metarauchite (ehich 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.
Hydrated analogue of metarauchite.


Classification of RauchiteHide

IMA status:
Approved
Approval Year:
2010
First Published:
2012
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.
Comment:
Cell data for Mg- and P-bearing sample; dataset collected at 153 K.

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

Type Locality:
ⓘ Belorechenskoe deposit (Belorechenskoye; Dakhovskoe; Belaya Rechka), Adygea, Russia
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.
Download:
http://rruff.info/rruff_1.0/uploads/EJM24_913.pdf

Synonyms of 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

ⓘ - 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)
 
  • Adygea
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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