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Ankinovichite

Big Photo

Kara-Chagyr Mountain, Fergana, Fergana Valley, Alai (Alay) Range, Osh Oblast, Kyrgyzstan
© Pavel M. Kartashov

Show Ankinovichite Photos (4)
Formula:
(Ni,Zn)Al
 
4
[(OH)
 
12
|V
 
2
O
 
6
] · 2.5H
 
2
O
System:MonoclinicColour:colourless to pale ...
Hardness:2½ - 3
Name:Honouring Ekaterina Aleksandrovna Ankinovich (1911-1991) and Stepana Gerasimovicha Ankinovich (1912-1985) for their work on Asian vanadium deposits


The nickel analogue of Alvanite.

Classification of Ankinovichite

IMA status:Approved 2002
Strunz 8th edition ID:4/G.07-15
Nickel-Strunz 10th (pending) edition ID:8.FE.05

8 : PHOSPHATES, ARSENATES, VANADATES
F : Polyphosphates, Polyarsenates, [4]-Polyvanadates
E : Ino-[4]-vanadates
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Type Occurrence of Ankinovichite

Type Locality:Kara-Chagyr Mountain, Fergana, Fergana Valley, Alai (Alay) Range, Osh Oblast, Kyrgyzstan
General Appearance of Type Material:crusts of tabular crystals to 0.2 mm and V-shaped twins to 0.5 mm
Geological Setting of type material:vugs of a vanadium-bearing slate/quartz breccia
Associated Minerals at type locality:
VolborthiteTangeiteRoscoeliteNickelalumiteMetatyuyamunite
KolovratiteGypsumAllophane

Occurrences of Ankinovichite

Geological Setting:vanadium-bearing slates

Physical Properties of Ankinovichite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:colourless to pale bluish green
Streak:white
Hardness (Mohs):2½ - 3
Tenacity:Brittle
Cleavage:Perfect
on (010)

Crystallography of Ankinovichite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Cell Parameters:a = 17.81Å, b = 5.123Å, c = 8.866Å
β = 92.14°
Ratio:a:b:c = 3.476 : 1 : 1.731
Unit Cell Volume:V 808.38 ų (Calculated from Unit Cell)
Morphology:elongated tabular crystals with a six-sided shape
Twinning:common
X-Ray Powder Diffraction:
d-spacingIntensity
8.89 (100)
7.83 (100)
1.97 (80)
1.90 (70)

Chemical Properties of Ankinovichite

Formula:
(Ni,Zn)Al
 
4
[(OH)
 
12
|V
 
2
O
 
6
] · 2.5H
 
2
O
Essential elements:Al, H, Ni, O, V
All elements listed in formula:Al, H, Ni, O, V, Zn

Relationship of Ankinovichite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.FE.05Alvanite
(Zn,Ni)Al
 
4
[(OH)
 
12
|V
 
2
O
 
6
] · 2H
 
2
O

Other Names for Ankinovichite

Synonyms:
IMA2002-063
Other Languages:
German:Ankinovichit
Russian:Анкиновичит
Spanish:Ankinovichita

Other Information

Fluorescence in UV light:none
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Ankinovichite

Reference List:Karpenko, V.Yu., Pautov, L.A., Sokolova, E., Hawthorne, F.C., Agakhanov, A.A., Dkaya, T.V., and Bekenova, G.K. (2004a): Ankinovichite, nickel analogue of alvanite, a new mineral from Kurunsak (Kazakhstan) and Kara-Chagyr (Kirgizia): Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 133(2): 59-68.

Lapis (2004): 29(9): 40.

Internet Links for Ankinovichite

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    Localities for Ankinovichite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Kazakhstan
     
    • Ongtüstik Qazaqstan Oblysy (Southern-Kazakhstan Oblast')
      • Karatau Range
        • Kurumsak River Valley
    		Karpenko, V.Y. et al. (2004): Zap. Vses. Mineral. Obshch.: 133(2): 59-68.
    Kyrgyzstan
     
    • Osh Oblast
      • Alai (Alay) Range
        • Fergana Valley
          • Fergana
    		Proceedings of the Russian Mineralogical Society, 133(2), 2004, pp 59–70.
    Mineral and/or Locality
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