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Mawsonite

Collectors Summary

Color bräunlich orange
Hardness (Mohs) 3.5
Solubility - verdünnte Säuren
Crystal System tetragonal, P4m2

Chemism

Chemical formula

Cu61+Fe23+Sn4+S8

Chemical composition

Eisen, Kupfer, Zinn, Schwefel

Unit weight: 868.2029 u; Number of atoms in the formula: 17

Info

Empirical formula:

Cu6Fe2SnS8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

29.55

8

47.06

32.0655000

256.5240000

Iron

Fe

12.86

2

11.76

55.8452000

111.6904000

Copper

Cu

43.92

6

35.29

63.5463000

381.2778000

Tin

Sn

13.67

1

5.88

118.7107000

118.7107000

Analysis wt%

Ø Cu : 44.65, Fe : 12.15, Sn : 11.10, S : 31.65 (Ref: American Mineralogist 65)

Strunz 9th edition incl. updates

2.CB.20

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
B: mit Zink (Zn), Eisen (Fe), Kupfer (Cu), Silber (Ag), usw.
20:Mawsonit-Gruppe

Lapis Classification

II/C.08-020

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
C: Sulfide mit Metall : S,Se,Te ~ 1:1

Classification by Hölzel

2.CB.570

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
B: With Zn,Cu (etc), Coordination Number ~[4] Framework of Cornersharing Tetrahedra: Sphalerite-Germanite-Family
5: Germanite-Colusite-Mawsonite-Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

bräunlich orange

Diaphaneity (Transparency)

opak

Crystallography

Crystal System

tetragonal

Class (H-M)

42m

Space Group number

115

Space Group

P4m2

Cell parameters a (Å)

7.603

Cell parameters b (Å)

-

Cell parameters c (Å)

5.358

Cell parameters a/b or c/a

0.705

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

1

Volumne (ų)

309.722

X-Ray Powder Diffraction

5.37(20),
3.09(100),
2.680(50),
2.37(20),
1.895(80),
1.618(60),
1.232(30),
1.065(50)

XRD chart Mawsonite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.5

VHN (Hardness Vickers)

130 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.66

4.654 ( ρ calc. Mineralienatlas )

Instability

- verdünnte Säuren

Preface

Author (Name, Year)

Markham & Lawrence, 1965

References

American Mineralogist 50 (1965), 900

Other languages

German

Mawsonit

Spanish

Mawsonita

English

Mawsonite

French

Mawsonite

Russian

Моусонит

Simplified Chinese

硫锡铁铜矿

Alternative Name

Japanese

モーソン鉱

Simplified Chinese

硫铁锡铜矿

CNMNC (IMA)-Number

IMA 1964-030

CNMNC symbol

Symbol

Maw

Locations with GPS information