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Kyanoxalite

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Kyanoxalith
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Kyanoxalith
hellblaue, wolkige Massen von Kyanoxalith in Ussingit, Alluaiv, Lovozero, Kola, Russland; BB ~ 2 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Alluaiv
Mineral: Kyanoxalite
Image: 1580835220
License: Usage for Mineralienatlas project only
Kyanoxalith

hellblaue, wolkige Massen von Kyanoxalith in Ussingit, Alluaiv, Lovozero, Kola, Russland; BB 2 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-02-04
Locality: Alluaiv / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Hardness (Mohs) 5.25
Cleavages vollkommen (100)
Crystal System hexagonal, P63

Chemism

Chemical formula

Na7(Al5-6Si6-7O24)(C2O4)0.5-1.0·5H2O

Additional chem. information

Cancrinit Gruppe

Chemical composition

Aluminium, Natrium, Silicium, Kohlenstoff, Sauerstoff, Wasserstoff

Unit weight: 1036.3611605 u; Number of atoms in the formula: 62.8

Info

Empirical formula:

Na7(Al5.5Si6.5O24)(C2O4)0.8·5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.97

10

15.92

1.0079470

10.0794700

Carbon

C

1.85

1.6

2.55

12.0107800

19.2172480

Oxygen

O

49.71

32.2

51.27

15.9994300

515.1816460

Sodium

Na

15.53

7

11.15

22.9897702

160.9283914

Aluminium

Al

14.32

5.5

8.76

26.9815382

148.3984601

Silicon

Si

17.62

6.5

10.35

28.0855300

182.5559450

Strunz 9th edition incl. updates

9.FB.05

9: Silikate (Germanate)
F: Gerüstsilikate (Tektosilikate) ohne zeolithisches H2O
B: Gerüstsilikate (Tektosilicates) mit weiteren [Anionen]
05:Cancrinit-Gruppe

Lapis Classification

VIII/J.09-017

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
9: Mit tetraederfremden Anionen; Cancrinit-Gruppe

Classification by Hölzel

9.FE.190

9: SILICATES
F: Tektosilicates
E: Hexagonal or trigonal with other Anions
1: Cancrinite-Group - hexagonal, axis for a~~12A and c~~5A

IMA status

Neue Mineralien Nov. 2008 - IMA-WEB-Seite [anerkannt]

Mineral status

anerkanntes Mineral

Optical Properties

max. Birefringence

0.003

Birefringence chart\! Kyanoxalite title=Birefringence chart Kyanoxalite

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

1.494

RI value γ / ε

1.491

Ri mean

1.493

2V angle

Uniaxial (-)

Crystallography

Crystal System

hexagonal

Class (H-M)

6

Space Group number

173

Space Group

P63

Cell parameters a (Å)

12.744

Cell parameters b (Å)

-

Cell parameters c (Å)

5.213

Cell parameters a/b or c/a

0.409

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

1

Volume (ų)

733.213

X-Ray Powder Diffraction

6.39(44), 4.73(92), 3.679(72), 3.264(100), 2.760(29), 2.618(36), 2.437(24), 2.126(29)

XRD chart Kyanoxalite

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

Physical Properties

Hardness (Mohs)

5.25

VHN (Hardness Vickers)

470 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.30 (gemessen)

2.347 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen (100)

Tenacity

spröde

Preface

Author (Name, Year)

Nikita V. Chukanov, 2008

References

Neue Mineralien Nov. 2008 - IMA-WEB-Seite [anerkannt]

Chukanov, N.V., et al. (2009): Kyanoxalite - a new cancrinite group mineral with extra-framework oxalate anion, from Lovozero alkaline massif, Kola peninsula. Zapiski RMO 138(6),18-35(2009)

Other languages

Spanish

Kyanoxalita

English

Kyanoxalite

German

Kyanoxalith

Russian

Кианоксалит

CNMNC (IMA)-Number

IMA 2008-041

CNMNC symbol

Symbol

Kox

Locations with GPS information

IDs

GUSID (Global unique identifier short form) R3uBrzE4qUeOZUkusrtUTA
GUID (Global unique identifier) AF817B47-3831-47A9-8E65-492EB2BB544C
Database ID 5089