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Weberite (Weberit)

Pictures (3 Images total)

Weberit (orange)
Views (File:
1245144202
): 1303
Weberit (orange)
Größe: 11 x 7,0 x 2,5 cm; Fundort: Perzhanskoe, Schytomyr Oblast, Ukraine
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Ukraine/Schytomyr, Oblast/Olewsk, Rajon/Perzhanskoe (Perga Be-Lagerstätte)
Mineral: Weberite
Image: 1245144202
Rating: 5 (votes: 2)
License: Usage for Mineralienatlas project only
Weberit (orange)

Größe: 11 x 7,0 x 2,5 cm; Fundort: Perzhanskoe, Schytomyr Oblast, Ukraine

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-06-16
Locality: Perzhanskoe (Perga Be-Lagerstätte) / Olewsk, Rajon / Schytomyr, Oblast / Ukraine
Weberit (orange)
Views (File:
1245144135
): 1267
Weberit (orange)
Größe: 60x40x20 mm; Fundort: Perzhanskoe, Schytomyr Oblast, Ukraine
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Ukraine/Schytomyr, Oblast/Olewsk, Rajon/Perzhanskoe (Perga Be-Lagerstätte)
Mineral: Weberite
Image: 1245144135
License: Usage for Mineralienatlas project only
Weberit (orange)

Größe: 60x40x20 mm; Fundort: Perzhanskoe, Schytomyr Oblast, Ukraine

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-06-16
Locality: Perzhanskoe (Perga Be-Lagerstätte) / Olewsk, Rajon / Schytomyr, Oblast / Ukraine
Weberit (weißgrau), Gearksutit (weiß), Hydromuskovit (graugrün)
Views (File:
1287255487
): 2736
Weberit (weißgrau), Gearksutit (weiß), Hydromuskovit (graugrün)
Größe: 55x50x30 mm; Fundort: Kryolithlagerstätte, Ivigtut, Kitaa, Kommuneqarfik Sermersooq, Grönland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Grönland/Kommuneqarfik Sermersooq/Ivittuut (Ivigtut)/Kryolithlagerstätte (Cryolite deposit)
Mineral: Gearksutite, Illite, Weberite
Image: 1287255487
License: Usage for Mineralienatlas project only
Weberit (weißgrau), Gearksutit (weiß), Hydromuskovit (graugrün)

Größe: 55x50x30 mm; Fundort: Kryolithlagerstätte, Ivigtut, Kitaa, Kommuneqarfik Sermersooq, Grönland

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2010-10-16
Locality: Kryolithlagerstätte (Cryolite deposit) / Ivittuut (Ivigtut) / Kommuneqarfik Sermersooq / Grönland

Collectors Summary

Color grauweiß
Streak color weiß
Hardness (Mohs) 3.5
Solubility +++ AlCl3, + H2O
Crystal System orthorhombisch, I2mm

Chemism

Chemical formula

Na2MgAlF7

Chemical composition

Aluminium, Magnesium, Natrium, Fluor

Unit weight: 230.25496135 u; Number of atoms in the formula: 11

Info

Empirical formula:

Na2MgAlF7

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Fluorine

F

57.76

7

63.64

18.9984033

132.9888228

Sodium

Na

19.97

2

18.18

22.9897702

45.9795404

Magnesium

Mg

10.56

1

9.09

24.3050600

24.3050600

Aluminium

Al

11.72

1

9.09

26.9815382

26.9815382

Strunz 9th edition incl. updates

3.CB.25

3: Halide (Fluoride, Chloride, Bromide, Iodide)
C: Komplexe Halogenide
B: Insel-Aluminofluoride (Neso-Aluminofluoride)
25:Weberit-Gruppe

Lapis Classification

III/C.03-030

III: HALOGENIDE (Fluoride, Chloride, Bromide, Jodide)
C: Doppelhalogenide (meist mit OH,H2O)
3: Fluoride

Classification by Hölzel

3.DD.200

3: HALIDES
D: Complex Halides
D: Fluoro-Aluminates

Dana 8th edition

11.06.13.01

11: Halide Complexes; Alumino-fluorides
06: Halide Complexes; Alumino-fluorides with miscellaneous formulae

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

grauweiß

Streak color

weiß

max. Birefringence

0.004

Birefringence chart\! Weberite title=Birefringence chart Weberite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.346

RI value β

1.348

RI value γ / ε

1.350

Ri mean

1.348

2V angle

Biaxial (+) 83°

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mm2

Space Group number

44

Space Group

I2mm

Cell parameters a (Å)

7.30

Cell parameters b (Å)

9.99

Cell parameters c (Å)

7.06

Cell parameters a/b or c/a

0.731

Cell parameters c/b

0.707

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

514.865

X-Ray Powder Diffraction

5.90(50),
5.06(60),
2.96(90),
2.90(90),
2.30(50),
2.24(40),
1.783(100),
1.545(50)

XRD chart Weberite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.5

VHN (Hardness Vickers)

130 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.96 (gemessen)

2.97 ( ρ calc. Mineralienatlas )

Instability

+++ AlCl3, + H2O

Preface

Author (Name, Year)

Bøgvad, 1938

References

Handbook of Mineralogy (Anthony et al.), 3 (1997), 602

Other languages

German

Weberit

Spanish

Weberita

French

Weberite

English

Weberite

Russian

Веберит

CNMNC symbol

Symbol

Web

Locations with GPS information

IDs

GUSID (Global unique identifier short form) XUFb-lTDvEqqcwtgd9ghjA
GUID (Global unique identifier) FA5B415D-C354-4ABC-AA73-0B6077D8218C
Database ID 4134