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Lanmuchangite (Lanmuchangit)

Pictures (3 Images total)

Lanmuchangit
Views (Image: 1559724130): 191
Lanmuchangit  E
Analysed with energy dispersive X-ray spectroscopy EDX
X
Analysed with X-ray diffraction XRD

Lanmuchangit nebst Realgar. Bildbreite um die 2 mm. Allchar, Roszdan, Mazedonien

Collection: Jan Hartmann
Copyright: joy
Contribution: Alcest 2019-06-05
Locality: Allchar (Alsar) / Roszdan / Mazedonien
Lanmuchangit
Views (Image: 1559724150): 154
Lanmuchangit  E
Analysed with energy dispersive X-ray spectroscopy EDX
X
Analysed with X-ray diffraction XRD

Lanmuchangit nebst Realgar. Bildbreite um die 2 mm. Allchar, Roszdan, Mazedonien

Collection: Jan Hartmann
Copyright: joy
Contribution: Alcest 2019-06-05
Locality: Allchar (Alsar) / Roszdan / Mazedonien
Lanmuchangit
Views (Image: 1578172873): 73
Lanmuchangit  E
Analysed with energy dispersive X-ray spectroscopy EDX

farblose Oktaeder von Lanmuchangit, Allchar, Nordmazedonien; BB < 1 mm, analysiert mittels REM-EDX

Copyright: Joy Desor
Contribution: openpit 2020-01-04
Locality: Allchar (Alsar) / Roszdan / Mazedonien

Collectors Summary

Color hellgelb, weiß
Streak color weiß
Hardness (Mohs) 3.00 - 3.50
Solubility +++ H2O
Crystal System kubisch, Pa3

Chemism

Chemical formula

TlAl[SO4]2·12H2O

Chemical composition

Aluminium, Thallium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 639.6751862 u; Number of atoms in the formula: 48

Info

Empirical formula:

TlAl[SO4]2·12H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

3.78

24

50.00

1.0079470

24.1907280

Oxygen

O

50.02

20

41.67

15.9994300

319.9886000

Aluminium

Al

4.22

1

2.08

26.9815382

26.9815382

Sulfur

S

10.03

2

4.17

32.0655000

64.1310000

Thallium

Tl

31.95

1

2.08

204.3833200

204.3833200

Analysis wt%

SO3 : 25.19, Al2O3 : 8.07, Tl2O : 33.25, H2O : 33.46 (Ref: ActaMin.Sin.2001)

Strunz 9th edition incl. updates

7.CC.20

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
C: Sulfate (Selenate, etc.) ohne weitere Anionen, mit H2O
C: Mit mittelgroßen und großen [Kationen]
20:Alaun-Gruppe

Lapis Classification

VI/C.14-045

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
C: Wasserhaltige Sulfate, ohne fremde Anionen
14: Mittelgroße und sehr große Kationen

Classification by Hölzel

7.CD.130

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
C: Sulfates (-Anions +Water)
D: Sulfates, C medium + large
1: Alum-Group

Dana 8th edition

29.05.05.05

29: Hydrated Acid and Sulfates
05: Hydrated Acid and Sulfates where A B (XO4)2 · x(H2O)
05: Alum Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

hellgelb, weiß

Streak color

weiß

RI value α / ω / n

1.495

Ri mean

0.000

2V angle

Isotropisch

Crystallography

Crystal System

kubisch

Class (H-M)

m3

Space Group number

205

Space Group

Pa3

Cell parameters a (Å)

12.212

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volumne (ų)

1821.212

X-Ray Powder Diffraction

7.03(50),
6.11(30),
4.314(100),
3.676(20),
3.524(20),
2.801(70),
2.731(30)

XRD chart Lanmuchangite

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)

3.00 - 3.50

VHN (Hardness Vickers)

109

Density (g/cm³)

2.22 (gemessen)

2.333 ( ρ calc. Mineralienatlas )

Tenacity

spröde

Instability

+++ H2O

Preface

Author (Name, Year)

Chen & Wang, 2001

Collector information

Da es sich um eine wasserlösliche Thalliumverbindung handelt ist von einer recht hohen Toxizität auszugehen, Händewaschen nach Kontakt mit der Stufe ist daher dringend anzuraten, noch besser wären wohl Handschuhe, wenn mit diesem Mineral umgegangen wird.

References

Acta Mineralogica Sinica (in Chinese) 21 (2001), 271

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Alum-(K)

KAl(SO4)2·12H2O

kubisch : m3 : Pa3

7.CC.20

Alum-(Na)

NaAl(SO4)2·12H2O

kubisch : m3 : Pa3

7.CC.20

Lanmuchangite

TlAl[SO4]2·12H2O

kubisch : m3 : Pa3

7.CC.20

Lonecreekite

(NH4)(Fe3+,Al)(SO4)2·12H2O

kubisch : m3 : Pa3

7.CC.20

Tschermigite

(NH4)Al(SO4)2·12H2O

kubisch : m3 : Pa3

7.CC.20

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Alum-(Na)

NaAl(SO4)2·12H2O

kubisch : m3 : Pa3

VI/C.14-010

Alum-(K)

KAl(SO4)2·12H2O

kubisch : m3 : Pa3

VI/C.14-020

Tschermigite

(NH4)Al(SO4)2·12H2O

kubisch : m3 : Pa3

VI/C.14-030

Lonecreekite

(NH4)(Fe3+,Al)(SO4)2·12H2O

kubisch : m3 : Pa3

VI/C.14-040

Lanmuchangite

TlAl[SO4]2·12H2O

kubisch : m3 : Pa3

VI/C.14-045

Pertlikite

K2(Fe2+,Mg)2(Mg,Fe3+)4Fe3+2Al(SO4)12·18H2O

tetragonal : 4mm : I41cd

VI/C.14-048

Voltaite

K2Fe52+Fe43+(SO4)12·18 H2O

kubisch : m3m : Fd3c

VI/C.14-050

Zincovoltaite

K2(Zn,Fe2+,Mn)5Fe33+Al(SO4)12·18H2O

kubisch : m3m : Fd3c

VI/C.14-060

Ammoniomagnesiovoltaite

(NH4)2Mg5Fe3+3Al(SO4)12·18H2O

kubisch : m3m : Fd3c

VI/C.14-070

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Alum-(Na)

NaAl(SO4)2·12H2O

kubisch : m3 : Pa3

7.CD.100

Alum-(K)

KAl(SO4)2·12H2O

kubisch : m3 : Pa3

7.CD.110

Tschermigite

(NH4)Al(SO4)2·12H2O

kubisch : m3 : Pa3

7.CD.120

Lanmuchangite

TlAl[SO4]2·12H2O

kubisch : m3 : Pa3

7.CD.130

Lonecreekite

(NH4)(Fe3+,Al)(SO4)2·12H2O

kubisch : m3 : Pa3

7.CD.150

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Krausite

KFe3+(SO4)2·H2O

monoklin : 2/m : P21/m

29.05.01.01

Goldichite

KFe3+(SO4)2·4H2O

monoklin : 2/m : P21/c

29.05.02.01

Tamarugite

NaAl(SO4)2·6H2O

monoklin : 2/m : P21/a

29.05.03.01

Amarillite

NaFe3+(SO4)2·6H2O

monoklin : 2/m : C2/c

29.05.03.02

Mendozite

NaAl(SO4)2·11H2O

monoklin : 2/m : C2/c

29.05.04.01

Alum-(K)

KAl(SO4)2·12H2O

kubisch : m3 : Pa3

29.05.05.01

Alum-(Na)

NaAl(SO4)2·12H2O

kubisch : m3 : Pa3

29.05.05.02

Tschermigite

(NH4)Al(SO4)2·12H2O

kubisch : m3 : Pa3

29.05.05.03

Lonecreekite

(NH4)(Fe3+,Al)(SO4)2·12H2O

kubisch : m3 : Pa3

29.05.05.04

Lanmuchangite

TlAl[SO4]2·12H2O

kubisch : m3 : Pa3

29.05.05.05

Other languages

German

Lanmuchangit

Spanish

Lanmuchangita

English

Lanmuchangite

French

Lanmuchangite

Russian

Ланьмучанит

Traditional Chinese

鉈明礬

Simplified Chinese

铊明矾

Alternative Name

Thallium Alum

Tl-alum

IMA Number

IMA 2001-018

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

German pages

DeWikiPedia - search for: Lanmuchangit
Google-Bilder-Suche - search for: Lanmuchangit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Lanmuchangit

English pages

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

Russian pages

Webmineral.ru - search for: Ланьмучанит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Lanmuchangit
Crystal-Treasure.com - search for: Lanmuchangit
Bosse - search for: Lanmuchangit

Locations with GPS information




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