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Chlorkyuygenite

Collectors Summary

Crystal System kubisch, I43d

Chemism

Chemical formula

Ca12Al14O32[(H2O)4Cl2]

Additional chem. information

H2O-Analog von Brearleyit

Chemical composition

Aluminium, Calcium, Chlor, Sauerstoff, Wasserstoff

Unit weight: 1513.6317908 u; Number of atoms in the formula: 72

Info

Empirical formula:

Ca12Al14O32[(H2O)4Cl2]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.53

8

11.11

1.0079470

8.0635760
Oxygen

O

38.05

36

50.00

15.9994300

575.9794800
Aluminium

Al

24.96

14

19.44

26.9815382

377.7415348
Chlorine

Cl

4.68

2

2.78

35.4532000

70.9064000
Calcium

Ca

31.77

12

16.67

40.0784000

480.9408000

Strunz 9th edition incl. updates

4.CC.20

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
C: Metall: Sauerstoff = 2: 3,3: 5, und vergleichbare
C: Mit großen und mittelgroßen Kationen
20:Mayenit-Gruppe

Lapis Classification

IV/A.07-045

IV: OXIDE
A: Oxide mit Verhältnis Metall : Sauerstoff = 1:1 und 2:1 (M2O, MO)

IMA status

anerkannt - Neue Mineralien Feb. 2013; CNMNC Newsletter No. 15

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Mayenite supergroup  ⇒ Mayenite group

Crystallography

Crystal System

kubisch

Class (H-M)

43m

Space Group number

220

Space Group

I43d

Cell parameters a (Å)

12.0285

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Volume (ų)

1740.341

Crystal structure

Struktur bestimmt

X-Ray Powder Diffraction

4.911(31), 3.215(15), 3.007(38), 2.690(100), 2.455(46), 2.196(21), 1.668(26), 1.607(30)
XRD chart Chlorkyuygenite

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/Nordkaukasus, Föderationskreis/Kabardino-Balkarien, Republik/Obere vulkanische Chegem-Struktur (Verkhnechegemskaya Caldera)/Xenolith Nummer 1

Type material

Naturhistorisches Museum, Bern, Schweiz

Collection number of type material

NMBE 41538

Preface

Author (Name, Year)

Evgeny V. Galuskin, Irina O. Galuskina, Joachim Kusz, Frank Gfeller, Thomas Armbruster, Radu Bailau, Mateusz Dulski, Viktor M. Gazeev, Nikolai N. Pertsev, Aleksander E. Zadov, Piotr Dzierżanowski (2015)

References

Galuskin, E.V., Galuskina, I.O., Kusz, J., Armbruster, T., Bailau, R., Dulski, M., Gazeev, V.M., Pertsev, N.N., Zadov, A.E. and Dzierżanowski , P. (2013) Kyuygenite, IMA 2012-046. CNMNC Newsletter No. 15, February 2013, page 2; Mineralogical Magazine, 77, 112.

Evgeny V. Galuskin, Irina O. Galuskina, Joachim Kusz, Frank Gfeller, Thomas Armbruster, Radu Bailau, Mateusz Dulski, Viktor M. Gazeev, Nikolai N. Pertsev, Aleksander E. Zadov, Piotr Dzierżanowski: Mayenite supergroup, part II: Chlorkyuygenite from Upper Chegem, Northern Caucasus, Kabardino-Balkaria, Russia, a new microporous mineral with “zeolitic” H2O. Eur J Mineral Vol. 27, Nr. 1 (2015) S. 113-122.

IMA 13-C: Mayenite-Supergruppe A proposal to modify the nomenclature of the mayenite-Supergruppe has been approved. As a consequence, the mineral brearleyite has been discredited as being the same as chlormayenite; mayenite has been redefined and renamed chlormayenite; kyuygenite has been renamed chlorkyuygenite; a-Gruppe nomenclature has been established for the mayenite-Supergruppe. CNMNC Newsletter No. 20, June 2014, page 557; Mineralogical Magazine, 78, 549-558. HAS NOT BEEN APPROVED In the light of the strong doubts raised by some of those who did not vote yes, in particular on the supposed identity between holotype mayenite and brearleyite, the proposal is not approved. Such a decision was then agreed with the CNMNC executive.

IMA group assignments

Other languages

German

Chlorkyuygenit

IMA 13-C Umbenannt

English

Chlorkyuygenite

IMA 13-C renamed

Russian

Хлоркюйгенит

old name

German

Kyuygenit (2012)

IMA 13-C Umbenannt

English

Kyuygenite (2012)

IMA 13-C renamed

CNMNC (IMA)-Number

IMA 2012-046

CNMNC symbol

Symbol

Cky

Locations with GPS information

IDs

GUSID (Global unique identifier short form) mkWu1atscUO0benSDxHHUg
GUID (Global unique identifier) D5AE459A-6CAB-4371-B46D-E9D20F11C752
Database ID 7515