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Ankinovichite (Ankinovichit)

Pictures (1 Images total)

Ankinovichit (hellblau) mit Volborthit
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Ankinovichit (hellblau) mit Volborthit
Größe: 18x15 mm; Fundort: Kara Chagyr, Ferganabecken, Osh Oblast, Kirgistan
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Kirgistan/Osch (Osh), Oblast/Alai-Hochgebirge/Fergana Tal/Kara Chagyr
Mineral: Ankinovichite
Image: 1261068896
Rating: 6.5 (votes: 2)
License: Usage for Mineralienatlas project only
Ankinovichit (hellblau) mit Volborthit

Größe: 18x15 mm; Fundort: Kara Chagyr, Ferganabecken, Osh Oblast, Kirgistan
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-12-17
Locality: Kara Chagyr / Fergana Tal / Alai-Hochgebirge / Osch (Osh), Oblast / Kirgistan

Collectors Summary

Color farblos bis blass, bläulichgrün
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 2.5 - 3
Cleavages vollkommen (010)
Fracture uneben
Crystal System monoklin, P21/n
Morphology prismatische bis nadelige Kristalle, radialsrahlig, Krusten, erdig.

Chemism

Chemical formula

(Ni,Zn)Al4[(OH)12|V25+O6].2½ H2O

Chemical composition

Aluminium, Nickel, Zink, Sauerstoff, Vanadium, Wasserstoff

Unit weight: 588.2820158 u; Number of atoms in the formula: 40

Info

Empirical formula:

(Ni0.75Zn0.25)Al4[(OH)12V2O6]2½H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.40

14

35.00

1.0079470

14.1112580
Oxygen

O

51.67

19

47.50

15.9994300

303.9891700
Aluminium

Al

18.35

4

10.00

26.9815382

107.9261528
Vanadium

V

17.32

2

5.00

50.9415100

101.8830200
Nickel

Ni

7.48

0.75

1.88

58.6934200

44.0200650
Zinc

Zn

2.78

0.25

0.63

65.4094000

16.3523500

Strunz 9th edition incl. updates

8.FE.05

8: Phosphate, Arsenate, Vanadate
F: Polyphosphate, Polyarsenate, ~[4]-Polyvanadate
E: Ketten- und Band(Ino)-~[4]-Vanadate
05:Alvanit-Gruppe

Lapis Classification

IV/G.07-015

IV: OXIDE
G: Vanadiumoxide (Polyvanadate mit V4+/5+)
7: Kettenvanadate mit [V2O6] 2-

Classification by Hölzel

4.GA.675

4: OXIDES
G: Vanadin, Uranyl Oxides and Hydroxides
A: Vanadin Oxides and Hydroxides, VBronzes
6: Valency for V: 5 Hummerite-Group

Dana 8th edition

42.13.13.02

42: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
13: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
13: Alvanite Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos bis blass, bläulichgrün

Streak color

weiß

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz

max. Birefringence

0.053
Birefringence chart\! Ankinovichite title=Birefringence chart Ankinovichite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.653

RI value β

1.677

RI value γ / ε

1.706

Ri mean

1.679

2V angle

Biaxial (+) 86°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/n

Cell parameters a (Å)

17.810

Cell parameters b (Å)

5.123

Cell parameters c (Å)

8.867

Cell parameters a/b or c/a

3.476

Cell parameters c/b

1.731

Cell parameters α

90°

Cell parameters β

92.13

Cell parameters γ

90°

Z

2

Volumne (ų)

808.472

X-Ray Powder Diffraction

8.89(100),
7.83(100),
3.354(40),
3.266(50),
1.970(80),
1.904(70),
1.605(50),
1.481(80)
XRD chart Ankinovichite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Morphology

prismatische bis nadelige Kristalle, radialsrahlig, Krusten, erdig.

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.5 - 3

VHN (Hardness Vickers)

68 (g nicht angegeben)

Density (g/cm³)

2.48 (gemessen)

2.416 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen (010)

Fracture

uneben

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Kirgistan/Osch (Osh), Oblast/Alai-Hochgebirge/Fergana Tal/Kara Chagyr

Preface

Associations

Allophan

Author (Name, Year)

Karpenko & Pautov & Sokolova & Hawthorne & Agakhanov & Dikaya & Bekeno

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 133 (2004) (2), 59

Other languages

German

Ankinovichit

Spanish

Ankinovichita

French

Ankinovichite

English

Ankinovichite

Russian

Анкиновичит

Traditional Chinese

安奇諾維奇石

Simplified Chinese

安奇诺维奇石

CNMNC (IMA)-Number

IMA 2002-063

CNMNC symbol

Symbol

Akv