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Fluormayenite

Collectors Summary

Crystal System kubisch, I43d

Chemism

Chemical formula

Ca12Al14O32[☐4F2]

Chemical composition

Aluminium, Calcium, Fluor, Sauerstoff, Vakanz

Unit weight: 1408.66090134 u; Number of atoms in the formula: 64

Info

Empirical formula:

Ca12Al14O32[Vc4F2]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Vacancy

Vc

0.00

4

6.25

0.0000000

0.0000000
Oxygen

O

36.35

32

50.00

15.9994300

511.9817600
Fluorine

F

2.70

2

3.13

18.9984033

37.9968065
Aluminium

Al

26.82

14

21.88

26.9815382

377.7415348
Calcium

Ca

34.14

12

18.75

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.07-028

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

IMA status

anerkannt - CNMNC Newsletter No. 16, August 2013

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)

11.9894

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°

Z

2

Volume (ų)

1723.425

X-Ray Powder Diffraction

4.895(92), 2.997(47), 2.681(100), 2.447(43), 2.189(41), 1.945(27), 1.663(33), 1.602(37)
XRD chart Fluormayenite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

2.720 - 2.746 (berechnet)

2.714 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Israel/Palästinensisches Autonomiegebiet/West Bank/Judea, Wüste/Jabel Harmun, Berg

Type material

Museum of Natural History in Bern, Bernastrasse 5, CH-3005 Bern, Schweiz

Collection number of type material

NMBE-42094

Preface

Author (Name, Year)

Evgeny V. Galuskin, Frank Gfeller, Thomas Armbruster, Irina O. Galuskina, Yevgeny Vapnik, Mikhail Murashko and Piotr Dzierz'anowski

References

Galuskin, E.V., Gfeller, F., Armbruster, T., Galuskina, I.O., Vapnik, Y., Murashko, M. and Dzierz'anowski, P. (2013) luormayenite, IMA 2013-019. CNMNC Newsletter No. 16, August 2013, page 2705; Mineralogical Magazine, 77, 2695-2709.

Evgeny V. Galuskin, Frank Gfeller, Thomas Armbruster, Irina O. Galuskina, Yevgeny Vapnik, Mateusz Dulski, Mikhail Murashko, Piotr Dzierżanowski, Viktor V. Sharygin, Sergey V. Krivovichev, and Richard Wirth: Mayenite supergroup, part III: Fluormayenite, Ca12Al14O32 □4F2, and fluorkyuygenite, Ca12Al14O32(H2O)4F2, two new minerals from pyrometamorphic rocks of the Hatrurim Complex, South Levant. Eur J Mineral Vol. 27, Nr. 1 (2015) S. 123-136.

IMA group assignments

Other languages

German

Fluormayenit

English

Fluormayenite

Russian

Фтормайенит

CNMNC (IMA)-Number

IMA 2013-019

CNMNC symbol

Symbol

Fmy

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 3xgWIYtPwECkJxKkOl7isg
GUID (Global unique identifier) 211618DF-4F8B-40C0-A427-12A43A5EE2B2
Database ID 7626