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Dioskouriite-2O (Dioskouriit-2O)

Collectors Summary

Crystal System orthorhombisch, P212121

Additional information / Summary

Dioskouriit kommt in 2 Polytypen vor Dioskouriit-2M und Dioskouriit-2O. Hier wird der Polytyp Dioskouriit-2O beschrieben.

Chemism

Chemical formula

CaCu4Cl6(OH)4·4H2O

Chemical composition

Calcium, Chlor, Kupfer, Sauerstoff, Wasserstoff

Unit weight: 647.073604 u; Number of atoms in the formula: 31

Info

Empirical formula:

CaCu4Cl6(OH)4·4H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.87

12

38.71

1.0079470

12.0953640

Oxygen

O

19.78

8

25.81

15.9994300

127.9954400

Chlorine

Cl

32.87

6

19.35

35.4532000

212.7192000

Calcium

Ca

6.19

1

3.23

40.0784000

40.0784000

Copper

Cu

39.28

4

12.90

63.5463000

254.1852000

IMA status

anerkannt Feb. 2016 - CNMNC Newsletter No. 30, April 2016

Mineral status

Polytype

Variety / polytype of

Dioskouriite

Crystallography

Crystal System

orthorhombisch

Class (H-M)

222

Space Group number

19

Space Group

P212121

Cell parameters a (Å)

7.3193(7)

Cell parameters b (Å)

10.371(1)

Cell parameters c (Å)

20.560(3)

Cell parameters a/b or c/a

0.706

Cell parameters c/b

1.982

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Volume (ų)

1560.678

Crystal structure

Neuer Strukturtyp, Struktur bestimmt

X-Ray Powder Diffraction

10.34(100),
5.940(15),
5.754(9),
5.177(13),
5.033(10),
2.735(21),
2.524(6),
2.318(8)

XRD chart Dioskouriite-2O

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

(Co-)Type locality

(Co-)Type locality

Type material

Sammlung des Fersman Mineralogischenl Museum der Russischen Akademie der Wissenschaften, Mokau, Russland

Collection number of type material

4803/1

Preface

Author (Name, Year)

Igor V. Pekov, Natalia V. Zubkova, Andrey A. Zolotarev, Vasiliy O. Yapaskurt, Sergey V. Krivovichev, Dmitry I. Belakovskiy, Inna S. Lykova, Marina F. Vigasina, Anatoly V. Kasatkin, Evgeny G. Sidorov und Dmitry Y. Pushcharovsky (2016)

References

Pekov, I.V., Zubkova, N.V., Zolotarev, A.A., Yapaskurt, V.O., Krivovichev, S.V., Belakovskiy, D.I., Lykova, I.S., Vigasina, M.F., Kasatkin, A.V., Sidorov, E.G. and Pushcharovsky, D.Y. (2016) Dioskouriite, IMA 2015-106. CNMNC Newsletter No. 30, April 2016, page 409; Mineralogical Magazine, 80, 407–413.

Other languages

German

Dioskouriit-2O

English

Dioskouriite-2O

Locations with GPS information

IDs

GUSID (Global unique identifier short form) M7tFeZrfW0myr2ArD3omnA
GUID (Global unique identifier) 7945BB33-DF9A-495B-B2AF-602B0F7A269C
Database ID 8111