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Chiolite (Chiolit)

Pictures (2 Images total)

Chiolith-Spaltstück
Views (File:
1144794725
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Chiolith-Spaltstück
Größe: 36x21x17 mm; Fundort: Kryolithlagerstätte, Ivigtut, Kitaa, Grönland
Copyright: Rob Lavinsky; Contribution: slugslayer
Location: Grönland/Kommuneqarfik Sermersooq/Ivittuut (Ivigtut)/Kryolithlagerstätte (Cryolite deposit)
Mineral: Chiolite
Image: 1144794725
License: Usage for Mineralienatlas project only
Chiolith-Spaltstück

Größe: 36x21x17 mm; Fundort: Kryolithlagerstätte, Ivigtut, Kitaa, Grönland
Copyright: Rob Lavinsky
Contribution: slugslayer 2006-04-12
Locality: Kryolithlagerstätte (Cryolite deposit) / Ivittuut (Ivigtut) / Kommuneqarfik Sermersooq / Grönland
Chiolith
Views (File:
1287251582
): 2069
Chiolith
Größe: 50x30x20 mm; Fundort: Kryolithlagerstätte, Ivigtut, Kitaa, Kommuneqarfik Sermersooq, Grönland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Grönland/Kommuneqarfik Sermersooq/Ivittuut (Ivigtut)/Kryolithlagerstätte (Cryolite deposit)
Mineral: Chiolite
Image: 1287251582
License: Usage for Mineralienatlas project only
Chiolith

Größe: 50x30x20 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

You find additional Chiolit specimen at the Geolitho Museum

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 3.50 - 4.00
Solubility + konz. H2SO4
Crystal System tetragonal, P4/mnc

Chemism

Chemical formula

Na5Al3F14

Chemical composition

Aluminium, Natrium, Fluor

Unit weight: 461.8711111 u; Number of atoms in the formula: 22

Info

Empirical formula:

Na5Al3F14

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Fluorine

F

57.59

14

63.64

18.9984033

265.9776455
Sodium

Na

24.89

5

22.73

22.9897702

114.9488510
Aluminium

Al

17.53

3

13.64

26.9815382

80.9446146

Strunz 9th edition incl. updates

3.CE.05

3: Halide (Fluoride, Chloride, Bromide, Iodide)
C: Komplexe Halogenide
E: Schicht-Aluminofluoride (Phyllo-Aluminofluoride)
05:Chiolith-Gruppe

Lapis Classification

III/C.03-020

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

Classification by Hölzel

3.DD.160

3: HALIDES
D: Complex Halides
D: Fluoro-Aluminates
1: Cryolite-Group

Dana 8th edition

11.06.11.01

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

farblos

Streak color

weiß

max. Birefringence

0.007
Birefringence chart\! Chiolite title=Birefringence chart Chiolite

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

1.349

RI value γ / ε

1.342

Ri mean

1.347

2V angle

Uniaxial (-)

Crystallography

Crystal System

tetragonal

Class (H-M)

4/mmm

Space Group number

128

Space Group

P4/mnc

Cell parameters a (Å)

7.005

Cell parameters b (Å)

-

Cell parameters c (Å)

10.39

Cell parameters a/b or c/a

1.483

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volumne (ų)

509.838

X-Ray Powder Diffraction

5.812(20),
5.202(30),
3.004(20),
2.909(100),
2.325(50),
2.002(30),
1.794(30),
1.554(30)
XRD chart Chiolite

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)

3.50 - 4.00

VHN (Hardness Vickers)

160 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.998 (gemessen)

3.008 ( ρ calc. Mineralienatlas )

Instability

+ konz. H2SO4

(Co-)Type locality

(Co-)Type locality

Russland/Ural, Föderationskreis/Tscheljabinsk, Oblast/Ilmen-Gebirge/Naturschutzgebiet Ilmen/Grube Nr. 69 (Gasbergs Topas-Kryolith-Schacht)

Preface

Author (Name, Year)

Hermann & Auerbach, 1846

References

Handbook of Mineralogy (Anthony et al.), 3 (1997), 115

Other languages

Spanish

Chiolita

French

Chiolite

English

Chiolite

German

Chiolith

Russian

Хиолит

Alternative Name

German

Arksudit

Spanish

Arksudita

Arksudite

German

Arksutit

Spanish

Arksutita

Arksutite

German

Chiolit

Chodneffite

Chodnewite

Nipholith

Spanish

Quiolita

CNMNC symbol

Symbol

Cio

Locations with GPS information