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Koksharovite

Collectors Summary

Crystal System triklin, P1

Chemism

Chemical formula

CaMg2Fe3+4(VO4)6

Chemical composition

Calcium, Eisen, Magnesium, Sauerstoff, Vanadium

Unit weight: 1001.7047 u; Number of atoms in the formula: 37

Info

Empirical formula:

CaMg2Fe4(VO4)6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

38.33

24

64.86

15.9994300

383.9863200

Magnesium

Mg

4.85

2

5.41

24.3050600

48.6101200

Calcium

Ca

4.00

1

2.70

40.0784000

40.0784000

Vanadium

V

30.51

6

16.22

50.9415100

305.6490600

Iron

Fe

22.30

4

10.81

55.8452000

223.3808000

Strunz 9th edition incl. updates

8.AC.05

8: Phosphate, Arsenate, Vanadate
A: Phosphate, etc., ohne weitere Anionen, ohne H2O
C: Mit mittelgroßen und großen [Kationen]
05:Panethit-Gruppe

Lapis Classification

VII/A.10-040

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
A: Wasserfreie Phosphate [PO4] 3-, ohne fremde Anionen
10: Mittelgroße und große Kationen: Mg-Mn-Fe-Cu-Zn und Ca-Na

IMA status

anerkannt - CNMNC Newsletter No. 16, August 2013

Mineral status

anerkanntes Mineral

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

8.1758

Cell parameters b (Å)

9.8292

Cell parameters c (Å)

6.6940

Cell parameters a/b or c/a

0.832

Cell parameters c/b

0.681

Cell parameters α

105.041°

Cell parameters β

102.040°

Cell parameters γ

106.025°

Volumne (ų)

476.024

Kristall structure

Strukturell verwandt mit Howardevansit und Grigorievit, Struktur bestimmt

X-Ray Powder Diffraction

7.47(28), 3.75(44), 3.26(27), 3.17(100), 3.09(94), 2.802(25), 2.039(28), 1.664(25)

XRD chart Koksharovite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

(Co-)Type locality

(Co-)Type locality

Russland/Ferner Osten, Föderationskreis/Kamtschatka Oblast/Bezymyannyi Vulkan

Type material

Fersman Mineralogical Museum of the Russian Academy of Sciences, Moskau, Russland

Collection number of type material

4329/1

Preface

Author (Name, Year)

Igor V. Pekov, Natalia V. Zubkova, Pavel M. Kartashov, Vasiliy O. Yapaskurt, Yury S. Polekhovsky and Dmitry Y. Pushcharovsky (2012)

References

Pekov, I.V., Zubkova, N.V., Kartashov, P. M . , Yapask u r t , V.O., Polekhovsky, Y.S. and Pushcharovsky, D.Y. (2013) Koksharovite, IMA 2012-092. CNMNC Newsletter No. 16, August 2013, page 2698; Mineralogical Magazine, 77, 2695-2709.

Other languages

German

Koksharovit

English

Koksharovite

Russian

Кокшаровит

CNMNC (IMA)-Number

IMA 2012-092

CNMNC symbol

Symbol

Kok

Locations with GPS information