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Kaskasite

Collectors Summary

Crystal System trigonal, P3m1, P3m1, P321

Chemism

Chemical formula

(Mo,Nb)S2·(Mg1–xAlx)(OH)2+x

Chemical composition

Aluminium, Magnesium, Molybdän, Niob, Sauerstoff, Schwefel, Wasserstoff

Strunz 9th edition incl. updates

2.FD.30

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
F: Sulfide, Arsenide, Alkaide; Sulfide mit Halogeniden, Oxiden, Hydroxiden (H2O)
D: mit O, OH, H2O
30:Valleriit-Gruppe

Lapis Classification

II/C.23-016

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
C: Sulfide mit Metall : S,Se,Te ~ 1:1

IMA status

anerkannt - CNMNC Newsletter No. 16, August 2013

Mineral status

anerkanntes Mineral

Crystallography

Crystal System

trigonal

Class (H-M)

3m, 3m, 32

Space Group number

164, 156, 150

Space Group

P3m1, P3m1, P321

Cell parameters a (Å)

3.220

Cell parameters b (Å)

-

Cell parameters c (Å)

11.47

Cell parameters a/b or c/a

3.562

Cell parameters c/b

-

Volume (ų)

102.993

Crystal structure

Valleriit-Gruppe

X-Ray Powder Diffraction

11.46(97), 5.72(100), 2.786(51), 2.627(7), 2.219(7), 1.613(33), 1.557(10)

XRD chart Kaskasite

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

Crystals 3D

Open larger view

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Kaskasnyunchorr

Type material

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

Collection number of type material

4401/1

Preface

Name from

Nach der Typlokalität, dem Berg Kaskasnyunchorr

Author (Name, Year)

I. V. Pekov, V. O. Yapaskurt, Y. S. Polekhovsky, M. F. Vigasina, O. I. Siidra (2014)

References

Pekov, I.V., Yapaskurt, V.O., Polekhovsky, Y.S. and Siidra, O.I (2013) Kaskasite, IMA 2013-025. CNMNC Newsletter No. 16, August 2013, page 2706; Mineralogical Magazine, 77, 2695-2709.

I. V. Pekov, V. O. Yapaskurt, Y. S. Polekhovsky, M. F. Vigasina, O. I. Siidra: Ekplexite (Nb,Mo)S2·(Mg1−xAlx)(OH)2+x, kaskasite (Mo,Nb)S2·(Mg1−xAlx)(OH)2+x and manganokaskasite (Mo,Nb)S2·(Mn1−xAlx)(OH)2+x, three new valleriite-group mineral species from the Khibiny alkaline complex, Kola peninsula, Russia. Mineral Mag Vol. 78, Nr. 3 (2014) S. 663-679.

Other languages

German

Kaskasit

English

Kaskasite

CNMNC (IMA)-Number

IMA 2013-025

CNMNC symbol

Symbol

Kks

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 3I71sq1y3EWoWoUflso5-Q
GUID (Global unique identifier) B2F58EDC-72AD-45DC-A85A-851F96CA39F9
Database ID 7632