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Permingeatite

Collectors Summary

Color hellbräunlich rosa
Streak color 1971
Lustre Metallglanz
Hardness (Mohs) 4 - 4.5
Crystal System tetragonal, I42m

Chemism

Chem­ical formula

Cu3SbSe4

Chem­ical com­po­si­tion

Antimon, Kupfer, Selen

Unit weight: 628.251 u; Number of atoms in the formula: 8

Info

Empirical formula:

Cu3SbSe4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Copper

Cu

30.34

3

37.50

63.5463000

190.6389000

Selenium

Se

50.27

4

50.00

78.9630000

315.8520000

Antimony

Sb

19.38

1

12.50

121.7601000

121.7601000

Anal­y­sis wt%

Cu : 30.70, Sb : 17.40, As : 1.50, Se : 50.40 (Ref: Bulletin de Mineralogie 71)

Strunz 9th edi­tion incl. updates

2.KA.10

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
K: Sulfoarsenate
A: Unterteilung 2.KA - 2.KB
10:Luzonit-Gruppe

Lapis Clas­sifica­tion

II/C.06-030

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

Clas­sifica­tion by Hölzel

2.CB.410

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
4: Luzonite-Hemusite-Group

Dana 8th edi­tion

03.02.02.03

03: Sulfides - Sulfosalts
02: Sulfides - Sulfosalts where z/y = 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
02: Luzonite Group

IMA sta­tus

anerkannt

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Classification

Stannite group

Optical Properties

Color

hellbräunlich rosa

Streak color

1971

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Crystallography

Crystal Sys­tem

tetragonal

Class (H-M)

42m

Space Group number

121

Space Group

I42m

Cell param­e­ters a (Å)

5.631

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

11.230

Cell param­e­ters a/b or c/a

1.994

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

356.083

X-Ray Pow­der Diffrac­tion

5.04(40),
3.251(100),
1.986(90),
1.697(80),
1.408(50),
1.290(60),
1.148(70),
1.082(50)

XRD chart Permingeatite

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

4 - 4.5

VHN (Hard­ness Vick­ers)

234 (50g)

Density (g/cm³)

5.82 (berechnet)

5.859 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Johan & Picot & Pierrot & Kvacek, 1971

Škácha, P., Buixaderas, E., Plášil, J., Sejkora, J., Goliáš, V., Vlček, V., 2014

References

American Mineralogist (1972): 57: 1554.

The Canadian Mineralogist (2014): 501-511

Strunz Mineralogical Tables 9. Edition.

IMA group assignments

 
A2DEX4
 
 

 
 
Cu2(Zn,Fe)GeS4
tetragonal
I42m

 
 
Cu2CdSnS4
tetragonal
I42m

 
 
Cu3SbS4
tetragonal
I42m

 
 
Cu2FeSnS4
tetragonal
I4

 
 
Ag2FeSnS4
tetragonal
I42m

 
 
Cu2(Zn,Fe)SnS4
tetragonal
I4

 
 
Cu2AgAsS4
tetragonal
I42m

 
 
Cu3SnS4
tetragonal
I42m

 
 
Cu3AsS4
tetragonal
I42m

 
 
Cu8Fe2ZnGe2S12
orthorhombisch
I222

 
 
Cu3SbSe4
tetragonal
I42m

 
 
(Cu,Ag)2(Fe,Zn)(Sn,In)S4
orthorhombisch
Pmn21

 
 
Ag2ZnSnS4
tetragonal
I42m, I4

 
 
Zn2CuGaS4
tetragonal
I42m

 
 
Cu2FeSnS4
tetragonal
I42m

 
 
Cu8(Fe,Zn)3Sn2S12
orthorhombisch
I222


 
 
Cu2(Hg,Zn)SnS4
tetragonal
I4

 
 
Cu2(Zn,Fe)(Ge,Ga)S4
tetragonal
I42m

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Actuality: 12. Aug 2022 - 07:03:10

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Перминжатит

CNMNC (IMA)-Number

IMA 1971-003

CNMNC symbol

Symbol

Pmg

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