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Rusakovite

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Mikhail P. Rusakov
Formula:
(Fe3+,Al)5(VO4,PO4)2(OH)9 · 3H2O
Colour:
Yellow-orange to reddish-yellow
Lustre:
Dull
Hardness:
1½ - 2
Specific Gravity:
2.73 - 2.80
Name:
Named after Mikhail Petrovich Rusakov (Михаила Петровича Русакова) (20 November [O.S. 8 November] 1892, Yukhnov - 24 October 1963, Moscow) Kazakhstan geologist and specialist in the geology of ore deposits.
This page provides mineralogical data about Rusakovite.


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Classification of RusakoviteHide

Approved
First Published:
1960
8.DF.15

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
F : With only medium-sized cations, (OH,etc.):RO4 > 3:1
42.3.1.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
3 : A5(XO4)2Zq·xH2O
21.4.26

21 : Vanadates (and vanadates with arsenate or phosphate)
4 : Vanadates of U, Mn, Fe or Ni

Physical Properties of RusakoviteHide

Colour:
Yellow-orange to reddish-yellow
Streak:
ocher-yellow
Hardness:
1½ - 2 on Mohs scale
Density:
2.73 - 2.80 g/cm3 (Measured)    

Optical Data of RusakoviteHide

Type:
Biaxial
RI values:
nα = 1.833
Max Birefringence:
δ = 1.833
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
strong

Chemical Properties of RusakoviteHide

Formula:
(Fe3+,Al)5(VO4,PO4)2(OH)9 · 3H2O
IMA Formula:
(Fe,Al)5(VO4)2(OH)9 · 3H2O

Crystallography of RusakoviteHide

Morphology:
crusts, veinlets, and reniform concretions
Comment:
Neither point group nor space group are determined.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.17 (4)
4.20 (5)
3.21 (10)
2.945 (9)
2.441 (8)
2.140 (7)
1.569 (6)

Type Occurrence of RusakoviteHide

Geological Setting of Type Material:
partially oxidized layer of carbonaceous shale
Associated Minerals at Type Locality:
Reference:
Ankinovich, E.A. (1960) A new vanadium mineral, rusakovite. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 89: 440-447.

Other Language Names for RusakoviteHide

German:Rusakovit
Spanish:Rusakovita

Related Minerals - Nickel-Strunz GroupingHide

8.DF.05HotsoniteAl11(SO4)3(PO4)2(OH)21 · 16H2OTric.
8.DF.10BolivariteAl2(PO4)(OH)3 · 4-5H2OAmor.
8.DF.10EvansiteAl3(PO4)(OH)6 · 6H2OAmor.
8.DF.10Liskeardite[(Al,Fe)32(AsO4)18(OH)42(H2O)22] · 52H2OOrth.
8.DF.10Rosièresite(Pb, Cu, Al, P, O, H)Amor.
8.DF.20LiroconiteCu2Al(AsO4)(OH)4 · 4H2OMon. 2/m
8.DF.25SieleckiiteCu3Al4(PO4)2(OH)12 · 2H2OTric.
8.DF.30ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2OTrig. 3 : R3
8.DF.35ParnauiteCu9(AsO4)2(SO4)(OH)10 · 7H2OOrth. mm2 : Pmn21
8.DF.40GladiusiteFe2(Fe,Mg)4(PO4)(OH)11(H2O)Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

21.4.1UvaniteU6+2V5+6O21 · 15H2O (?)Orth.
21.4.2Vanuranylite(H3O)2(UO2)2(VO4)2 · 4H2O
21.4.3StrelkiniteNa2(UO2)2(VO4)2 · 6H2OOrth.
21.4.4CarnotiteK2(UO2)2(VO4)2 · 3H2OMon. 2/m : P21/b
21.4.5Margaritasite(Cs,K,H3O)2(UO2)2(VO4)2 · H2OMon. 2/m : P21/b
21.4.6SengieriteCu2(UO2)2(VO4)2 · 6H2OMon. 2/m : P21/b
21.4.7MetatyuyamuniteCa(UO2)2(VO4)2 · 3-5H2OOrth. mmm (2/m 2/m 2/m)
21.4.8TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2OOrth. mmm (2/m 2/m 2/m) : Pnna
21.4.9RauviteCa(UO2)2(V10O28) · 16H2O
21.4.10FrancevilliteBa(UO2)2(VO4)2 · 5H2OOrth.
21.4.11MetavanuraliteAl(UO2)2(VO4)2(OH) · 8H2OTric.
21.4.12VanuraliteAl(UO2)2(V2O8)(OH) · 11H2OMon.
21.4.13CurienitePb(UO2)2(VO4)2 · 5H2OOrth.
21.4.14FritzscheiteMn(UO2)2(PO4,VO4)2 · 10H2O (?)Tet.
21.4.15Palenzonaite(Ca,Na)3CaMn2+2(VO4)3Iso. m3m (4/m 3 2/m) : Ia3d
21.4.16Santafeite(Na,Ca,Sr)12(Mn2+,Fe3+,Al,Mg)8Mn4+8(VO4)16(OH,O)20 · 8H2OOrth. mmm (2/m 2/m 2/m)
21.4.17PyrobelonitePbMn2+(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
21.4.18BrackebuschitePb2Mn3+(VO4)2(OH)Mon. 2/m : P21/m
21.4.19ČechitePbFe2+(VO4)(OH)Orth. mmm (2/m 2/m 2/m)
21.4.20HeyitePb5Fe2+2(VO4)2O4Mon.
21.4.21MounanaitePbFe3+2(VO4)2(OH,F)2Mon. 2/m : B2/m
21.4.22SchubneliteFe3+VO4 · H2OTric.
21.4.23FervaniteFe3+4V5+4O16 · 5H2OMon.
21.4.24KazakhstaniteFe3+5V4+3V5+12O39(OH)9 · 9H2OMon.
21.4.25Bokite(Al,Fe3+)1.3(V5+,V4+,Fe3+)8O20 · 7.4H2OMon.
21.4.27KolovratiteNixZny(VO4)0.67(x+y) · nH2O

Other InformationHide

Notes:
The mineral is easily soluble in cold dilute acids. when treated in the closed tube it gives off acid water and turns brick-red
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for RusakoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ankinovich, E.A. (1960) A new vanadium mineral, rusakovite. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 89: 440-447.
Fleischer, M. (1960) New mineral names. American Mineralogist: 45: 1316.

Internet Links for RusakoviteHide

Localities for RusakoviteHide

ⓘ - 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.
Kazakhstan
 
  • Turkistan
    • Karatau Range
      • Aksumbe
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
ZVMO,(1960) 89, 440-447; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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