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Verneite

Collectors Summary

Crystal System kubisch, I213

Chemism

Chemical formula

Na2Ca3Al2F14

Empirical formula (analysis)

Na2.01Ca2.82Al2.17F14.02

Chemical composition

Aluminium, Calcium, Natrium, Fluor

Unit weight: 484.138077561 u; Number of atoms in the formula: 21.02

Info

Empirical formula:

Na2.01Ca2.82Al2.17F14.02

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Fluorine

F

55.02

14.02

66.70

18.9984033

266.3576136

Sodium

Na

9.54

2.01

9.56

22.9897702

46.2094381

Aluminium

Al

12.09

2.17

10.32

26.9815382

58.5499379

Calcium

Ca

23.34

2.82

13.42

40.0784000

113.0210880

Strunz 9th edition incl. updates

3.AC.05

3: Halide (Fluoride, Chloride, Bromide, Iodide)
A: Einfache Halogenide ohne H2O
C: M:X = 1:3
05:Zharchikhit-Gruppe

IMA status

anerkannt - CNMNC Newsletter 36, 2017

Mineral status

anerkanntes Mineral

Crystallography

Crystal System

kubisch

Class (H-M)

23

Space Group number

199

Space Group

I213

Cell parameters a (Å)

10.264(1)

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

4

Volume (ų)

1081.309

Crystal structure

Bekanntes synthetisches Analog

X-Ray Powder Diffraction

4.18(76),
3.23(68),
2.95(100),
2.184(78),
2.009(98),
1.871(75),
1.811(84),
1.663(66)

XRD chart Verneite

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

Crystals 3D

Open larger view

Physical Properties

Density (g/cm³)

2.974 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Island/Südisland (Suðurland), Region/Rangárvallasýsla/Hekla-Vulkan

Island/Vestmannaeyjar archipelago (Westman Inseln)/Heimaey-Insel/Eldfell

Italien/Kampanien (Campania), Region/Neapel, Provinz/Somma-Vesuv-Komplex/Vesuv

Type material

Icelandic Institute of Natural History, Gardabaer, Iceland, Probennnummern: NI 15509, NI 15518 und NI 17046 (Hekla – Holotyp) und NI 12256 (Eldfell – cotype)

Department of Geosciences and Natural Resource Management, University of Copenhagen, Denmark, Probennnummern: E4-1A, E4-2A und E4-2B (Eldfell – Cotyp)

Pelloux collection of the Dipartimento di Scienze della Terra e Geoambientali, Università di Bari, Italy (Vesuvius – Cotyp)

Preface

Author (Name, Year)

Tonči Balić-Žunić, Anna Garavelli, Daniela Pinto and Donatella Mitolo (2017)

References

Balić-Žunić, T., Garavelli, A., Pinto, D. and Mitolo, D. (2017) Verneite, IMA 2016-112. CNMNC Newsletter No. 36, April 2017, page 408; Mineralogical Magazine, 81, 403-409.

Balić-Žunić, T., Garavelli, A., Pinto, D., Mitolo, D. (2018) Verneite, Na2Ca3Al2F14, a New Aluminum Fluoride Mineral from Icelandic and Vesuvius Fumaroles. Minerals, 8, 553.

Other languages

German

Verneit

English

Verneite

CNMNC (IMA)-Number

IMA 2016-112

CNMNC symbol

Symbol

Ver

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 0jGIoj3F_UmwzJbP1PF3yg
GUID (Global unique identifier) A28831D2-C53D-49FD-B0CC-96CFD4F177CA
Database ID 8325