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Evdokimovite

Collectors Summary

Color farblos, weiß
Streak color weiß
Lustre Diamantglanz
Hardness (Mohs) 2.5
Cleavages fehlt
Crystal System monoklin, P21/n

Chemism

Chemical formula

Tl4(VO)3(SO4)5(H2O)5

Chemical composition

Thallium, Sauerstoff, Schwefel, Vanadium, Wasserstoff

Unit weight: 1588.74882 u; Number of atoms in the formula: 50

Info

Empirical formula:

Tl4(VO)3(SO4)5(H2O)5

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.63

10

20.00

1.0079470

10.0794700
Oxygen

O

28.20

28

56.00

15.9994300

447.9840400
Sulfur

S

10.09

5

10.00

32.0655000

160.3275000
Vanadium

V

9.62

3

6.00

50.9415100

152.8245300
Thallium

Tl

51.46

4

8.00

204.3833200

817.5332800

Lapis Classification

VI/D.05-040

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
5: Mittelgroße Kationen

IMA status

anerkannt - CNMNC Newsletter No. 17, October 2013

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, weiß

Streak color

weiß

Lustre

Diamantglanz

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/n

Cell parameters a (Å)

6.2958

Cell parameters b (Å)

10.110

Cell parameters c (Å)

39.426

Cell parameters a/b or c/a

0.623

Cell parameters c/b

3.9

Cell parameters α

90°

Cell parameters β

90.347°

Cell parameters γ

90°

Z

3

Volumne (ų)

2509.44

X-Ray Powder Diffraction

9.793(57),
8.014(100),
6.580(26),
4.011(19),
3.621(29),
3.522(44),
3.010(19),
2.974(21)
XRD chart Evdokimovite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.5

Density (g/cm³)

3.39

3.154 ( ρ calc. Mineralienatlas )

Cleavages

fehlt

(Co-)Type locality

(Co-)Type locality

Russland/Ferner Osten, Föderationskreis/Kamtschatka Oblast/Tolbachik-Vulkan/Große Spalteneruption (Great Fissure)/nördlicher Bruch

Russland/Ferner Osten, Föderationskreis/Kamtschatka Oblast/Tolbachik-Vulkan/Große Spalteneruption (Great Fissure)/nördlicher Bruch/erster Schlackenkegel

Type material

Mineralogical Museum, Department of Mineralogy, St Petersburg State University, St Petersburg, Russland

Collection number of type material

1/19542

Preface

Name from

Evdokimovit wurde zu ehren von Dmirievich Evdokimov (1940-2010) benannt. Er war ehemals an der Universität St. Petersburg tätig.

Author (Name, Year)

Oleg I. Siidra, Lidiya P. Vergasova, Yuri L. Kretser, Yuri S. Polekhovsky, Sergey V. Krivovichev und Stanislav K. Filatov (2013)

References

Siidra, O.I., Vergasova, L.P., Kretser, Y.L., Polekhovsky, Y.S., Krivovichev, S.V. und Filatov, S.K. (2013) Evdokimovite, IMA 2013-041. CNMNC Newsletter No. 17, October 2013, page 2999; Mineralogical Magazine, 77, 2997 - 3005.

CNMNC Newsletter No. 18, December 2013, page 3258; Mineralogical Magazine, 77, 3249-3258. [Formel]

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Pauflerite

VO(SO4)

orthorhombisch : mmm : Pnma

VI/D.05-001

Bobjonesite

(V4+O)[SO4]·3H2O

monoklin : 2/m : P21/n

VI/D.05-002

Orthominasragrite

V4+[O|SO4]·5H2O

orthorhombisch : mm2 : Pmn21

VI/D.05-005

Minasragrite

V4+[O|SO4]·5H2O

monoklin : 2/m : P21/c

VI/D.05-010

Anorthominasragrite

V4+[O|SO4]·5H2O

triklin : 1 : P1

VI/D.05-015

Stanleyite

V4+[O|SO4]·6H2O

VI/D.05-020

Karpovite

Tl2VO(SO4)2(H2O)

monoklin : 2 : P21

VI/D.05-030

Evdokimovite

Tl4(VO)3(SO4)5(H2O)5

monoklin : 2/m : P21/n

VI/D.05-040

Other languages

German

Evdokimovit

English

Evdokimovite

Russian

Евдокимовит

IMA Number

IMA 2013-041

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

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English pages

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Russian pages

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German pages

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Locations with GPS information




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