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Lingunite

Collectors Summary

Crystal System tetragonal, I4/m

Chemism

Chem­ical formula

(Na,Ca)AlSi3O8

Addi­tional chem. informa­tion

ehemals unbekanntes tetragonales Analog zu Albit, Polymorph von: Anorthoklas, Kumdykolit

Chem­ical com­po­si­tion

Aluminium, Calcium, Natrium, Silicium, Sauerstoff

Unit weight: 266.49549585 u; Number of atoms in the formula: 13

Info

Empirical formula:

(Na0.75Ca0.25)AlSi3O8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

48.03

8

61.54

15.9994300

127.9954400

Sodium

Na

6.47

0.75

5.77

22.9897702

17.2423277

Aluminium

Al

10.12

1

7.69

26.9815382

26.9815382

Silicon

Si

31.62

3

23.08

28.0855300

84.2565900

Calcium

Ca

3.76

0.25

1.92

40.0784000

10.0196000

Anal­y­sis wt%

SiO2 : 66.82, Al2O3 : 18.90, CaO : 6.23, Na2O : 8.04 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

9.FA.35

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

Lapis Clas­sifica­tion

VIII/J.07-077

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

Clas­sifica­tion by Hölzel

9.FC.400

9: SILICATES
F: Tektosilicates
C: Feldspar-Group

IMA sta­tus

anerkannt 2004

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Feldspar group

Crystallography

Crystal Sys­tem

tetragonal

Class (H-M)

4/m

Space Group number

87

Space Group

I4/m

Cell param­e­ters a (Å)

9.263

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

2.706

Cell param­e­ters a/b or c/a

0.292

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Volumne (ų)

232.183

X-Ray Pow­der Diffrac­tion

6.55(66), 4.63(60), 2.931(100), 2.265(35), 2.032(85), 1.737(37), 1.543(33), 1.450(42)

XRD chart Lingunite

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

Preface

Author (Name, Year)

El Goresy

References

Xi Liu (2006) Phasen-Abhängigkeiten im KAlSi3O8–NaAlSi3O8 System unter Hochtemperatur, -Druck Bedingungen und ihrer Einflüsse auf die Gesteinsumwandlung von Lingunit

Earth and Planetary Sciences Letters Volume 246, Issues 3-4, Pages 317-325

Science 287 (2000), 1633.

IMA group assignments

Other languages

German

Lingunit

English

Lingunite

Alternative Name

NaAlSi3O8-hollandite

Silicate Hollandite

Unnamed (Tetragonal analogue of Albite)

CNMNC (IMA)-Number

IMA 2004-054

CNMNC symbol

Symbol

Lgn

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

German pages

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

English pages

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

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Lingunit
Crystal-Treasure.com - search for: Lingunit
Bosse - search for: Lingunit
Edelsteine Neuburg - Gundolf Fischer - search for: Lingunit
Geolitho marketplace, by and for collectors - search for: Lingunit

Locations with GPS information