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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°

Volume (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)

(Co-)Type locality

(Co-)Type locality

China/Jiangsu, Provinz/Taizhou Präfektur/Taizhou/Sixiangkou/Meteorit

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

 
Feldspar group
 
 
 

 
 
Alkali feldspar
 
 
 

 
 
 
Anorthoclase ?
(Na,K)AlSi3O8
triklin
C1

 
 
 
Buddingtonite
(NH4)AlSi3O8·0.5 H2O
monoklin
P21, P21/m

 
 
 
Celsian
BaAl2Si2O8
monoklin
I2/c

 
 
 
Hyalophane
(K,Ba)Al(Si,Al)3O8
monoklin
C2/m

 
 
 
Microcline
KAlSi3O8
triklin
C1

 
 
 
Orthoclase
KAlSi3O8
monoklin
C2/m

 
 
 
Rubicline
(Rb,K)[AlSi3O8]
triklin
P1

 
 
 
Sanidine
(K,Na)(Si,Al)4O8
monoklin
C2/m

 
 
Banalsite
BaNa2Al4Si4O16
orthorhombisch
Iba2

 
 
Dmisteinbergite
CaAl2Si2O8
hexagonal
P6/mmm

 
 
Filatovite
K[(Al,Zn)2(As,Si)2O8]
monoklin
I2/c

 
 
Kokchetavite
KAlSi3O8
hexagonal
P6/mmm

 
 
Lingunite
(Na,Ca)AlSi3O8
tetragonal
I4/m

 
 
Paracelsian
BaAl2Si2O8
monoklin
P21/a

 
 
Plagioclase
 
 
 

 
 
 
Albite
NaAlSi3O8
triklin
C1

 
 
 
Andesine
(Na,Ca)(Si,Al)4O8
triklin
P1

 
 
 
Anorthite
CaAl2Si2O8
triklin
P1

 
 
 
Bytownite
(Ca,Na)(Si,Al)4O8
triklin
I1

 
 
 
Labradorite
(Ca,Na)(Si,Al)4O8
triklin
C1

 
 
 
Oligoclase
(Na,Ca)(Si,Al)4O8
triklin
C1

 
 
Reedmergnerite
NaBSi3O8
triklin
C1

 
 
Slawsonite
(Sr,Ca)Al2Si2O8
monoklin
P21/a

 
 
Stronalsite
SrNa2Al4Si4O16
orthorhombisch
Iba2

 
 
Svyatoslavite
CaAl2Si2O8
orthorhombisch
P21212

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Actuality: 03. Oct 2024 - 16:57:47

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

Locations with GPS information

IDs

GUSID (Global unique identifier short form) HET63Irc7USnRXW2BacBmQ
GUID (Global unique identifier) DCFA441C-DC8A-44ED-A745-75B605A70199
Database ID 4463