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Carbobystrite

Pictures (1 Images total)

Carbobystrit
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1581242056
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Carbobystrit
farbloser Kristall von Carbobystrit, Koashva Steinbruch, Mount Koashva, Chibiny, Kola, Russland; BB < 1 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Berg Koashva/Koashva Grube
Mineral: Carbobystrite
Image: 1581242056
License: Usage for Mineralienatlas project only
Carbobystrit

farbloser Kristall von Carbobystrit, Koashva Steinbruch, Mount Koashva, Chibiny, Kola, Russland; BB < 1 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-02-09
Locality: Koashva Grube / Berg Koashva / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color farblos
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 6
Cleavages keine
Fracture muschelig
Crystal System trigonal, P31c

Chemism

Chemical formula

Na8[Al6Si6O24](CO3)·4H2O

Additional chem. information

Cancrinit Gruppe

Chemical composition

Aluminium, Natrium, Silicium, Kohlenstoff, Sauerstoff, Wasserstoff

Unit weight: 1030.3772568 u; Number of atoms in the formula: 60

Info

Empirical formula:

Na8[Al6Si6O24](CO3)·4H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.78

8

13.33

1.0079470

8.0635760

Carbon

C

1.17

1

1.67

12.0107800

12.0107800

Oxygen

O

48.14

31

51.67

15.9994300

495.9823300

Sodium

Na

17.85

8

13.33

22.9897702

183.9181616

Aluminium

Al

15.71

6

10.00

26.9815382

161.8892292

Silicon

Si

16.35

6

10.00

28.0855300

168.5131800

Analysis wt%

SiO2 : 35.74, CO2 : 4.37, Al2O3 : 30.42, Na2O : 22.66, K2O : 1.75, H2O : 6.26 (Ref: Canadian Mineralogist 2010)

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.09-046

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

Classification by Hölzel

9.FE.610

9: SILICATES
F: Tektosilicates
E: Hexagonal or trigonal with other Anions
6: Afghanite-Group - trigonal, axis a~~12A and c=n*~~5A, n=1-5

IMA status

anerkannt, IMA WEB-Seite, Neue Mineralien Juli 2009

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz

max. Birefringence

0.012

Birefringence chart\! Carbobystrite title=Birefringence chart Carbobystrite

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

1.500

RI value γ / ε

1.488

Ri mean

1.496

2V angle

Uniaxial (-)

Optical Data Luminescence

Luminescence

blaßgelb unter UV

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

159

Space Group

P31c

Cell parameters a (Å)

12.668

Cell parameters b (Å)

-

Cell parameters c (Å)

10.340

Cell parameters a/b or c/a

0.816

Cell parameters c/b

-

Z

2

Volumne (ų)

1437.035

Kristall structure

aufgeklärt siehe Erstbeschreibung

X-Ray Powder Diffraction

6.378(80), 4.689(100), 3.867(70), 3.664(70), 3.249(100), 2.661(80), 2.399(50), 2.117(60)

XRD chart Carbobystrite

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)

6

VHN (Hardness Vickers)

730 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.366 ber.

2.381 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

muschelig

Tenacity

spröde

Preface

Name from

der Zusammensetzung, die durch die Substitution Na+ + (CO3)2– + 2.5H2O -> Ca2+ + (S2–)1.5 von Bystrit ableitbar ist

Author (Name, Year)

Alexander P. Khomyakov et al., 2010

References

Alexander P. Khomyakov, Fernando Cámara, and Elena Sokolova: Carbobystrite, Na8Al6Si6O24](CO3)•4H2O, a new cancrinite-group mineral species from the Khibina alkaline massif, Kola peninsula, Russia: description and crystal structure. Can Mineral 48 (2010) S. 291-300.

IMA WEB-Seite, Neue Mineralien Juli 2009

Other languages

German

Carbobystrit

Spanish

Carbobystrita

English

Carbobystrite

Russian

Карбобыстрит

CNMNC (IMA)-Number

IMA 2009-028

CNMNC symbol

Symbol

Cbys

Locations with GPS information