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Kumdykolite

Additional Functions

Collectors Summary

Crystal System orthorhombisch, P2nn oder Pmnn

Chemism

Chem­ical formula

NaAlSi3O8

Addi­tional chem. informa­tion

Feldspat Gruppe

Chem­ical com­po­si­tion

Aluminium, Natrium, Silicium, Sauerstoff

Unit weight: 262.2233384 u; Number of atoms in the formula: 13

Info

Empirical formula:

NaAlSi3O8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

48.81

8

61.54

15.9994300

127.9954400
Sodium

Na

8.77

1

7.69

22.9897702

22.9897702
Aluminium

Al

10.29

1

7.69

26.9815382

26.9815382
Silicon

Si

32.13

3

23.08

28.0855300

84.2565900

Anal­y­sis wt%

SiO2 : 69.18, Al2O3 : 18.64, CaO : 0.09, Na2O : 12.09 (Ref: European Journal of Mineralogy 2009)

Strunz 9th edi­tion incl. updates

9.FA.??

9: Silikate (Germanate)
F: Gerüstsilikate (Tektosilikate) ohne zeolithisches H2O
A: Gerüstsilikate (Tektosilicates) ohne weitere [Anionen]
??:

Lapis Clas­sifica­tion

VIII/J.07-079

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
7: Ohne tetraederfremde Anionen; Feldspat-Gruppe

Clas­sifica­tion by Hölzel

9.FD.160

9: SILICATES
F: Tektosilicates
D: Plagioclase-Group

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

RI value α / ω / n

1.517

Ri mean

1.517

2V angle

Biaxial

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mm2 oder mmm

Space Group number

34 oder 58

Space Group

P2nn oder Pmnn

Cell param­e­ters a (Å)

8.24

Cell param­e­ters b (Å)

8.68

Cell param­e­ters c (Å)

4.84

Cell param­e­ters a/b or c/a

0.949

Cell param­e­ters c/b

0.558

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

346.172

X-Ray Pow­der Diffrac­tion

5.97 (), 4.33(), 4.21(), 4.18(), 4.12(), 3.76(), 3.23(), 3.02(), 2.95(), 2.74()

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

2.52 (berechnet)

2.516 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Kasachstan/Aqmola oblysy/Kokchetav Massif/Kumdy Kol

Preface

Name from

nach der Typlokalität

Author (Name, Year)

Shyh-Lung Hwang, 2009

References

Shyh-Lung Hwang, Pouyan Shen, Hao-Tsu Chu, Tzen-Fu Yui, Juhn G. Liou, and Nikolay V. Sobolev: Kumdykolite, an orthorhombic polymorph of albite, from the Kokchetav ultrahigh-pressure massif, Kazakhstan. Eur. J. Mineral. 21 (2009) S.1325-1334.

Neue Mineralien - IMA-WEB-Seite Jan. 2007

Other languages

German

Kumdykolit

Spanish

Kumdykolita

English

Kumdykolite

CNMNC (IMA)-Number

IMA 2007-049

CNMNC symbol

Symbol

Kdy

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

 DeWikiPedia - search for: Kumdykolit
Google-Bilder-Suche - search for: Kumdykolit
Mineralienatlas.de (Forum) - search for: Kumdykolit

English pages

 Mindat - search for: Kumdykolite
Webmineral - search for:Kumdykolite
Handbook-of-Mineralogy - search for: Kumdykolite
RRUFF - Raman, XRD and other mineral data - search for: Kumdykolite
RRUFF - References and PDF downloads - search for: Kumdykolite
American-Mineralogist-Crystal-Structure-Database - search for: Kumdykolite
Strahlen.org - search for: Kumdykolite

Mineral Dealer

German pages

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Edelsteine Neuburg - Gundolf Fischer - search for: Kumdykolit