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Germanite

Pictures (6 Images total)

Germanit, Bornit
Views (Image: 1208198896): 4164
Germanit, Bornit

Germanit, derb mit Bornit; Fundort: Tsumeb Mine, Otaviberge, Namibia; Größe: 30x20x15 mm

Collection: rtbstone
Copyright: rtbstone
Contribution: rtbstone 2008-04-14
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia
Germanit
Views (Image: 1269194187): 2865
Germanit (SNr: A004)

5,0x4,5x4,7 cm, Tsumeb Mine, Otjikoto Region, Namibia

Collection: ingo
Copyright: ingo
Contribution: ingo 2010-03-21
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia
Germanit
Views (Image: 1351457158): 2339
Germanit

Größe: 61x49x28 mm; Fundort: Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Copyright: Watzl Minerals
Contribution: slugslayer 2012-10-28
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia
Germanit
Views (Image: 1356724625): 2400
Germanit (SNr: A003200)

Derb metallisch blau, BB = 35 mm, Fundort: Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Münchener Micromounter 2012-12-28
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia
Germanit
Views (Image: 1361450265): 2062
Germanit (SNr: 02.320)

Größe: 1,4 x 1 x 0,5 cm, Fundort: Tsumeb Mine, Otjikoto Region, Namibia

Collection: thdun5
Copyright: thdun5
Contribution: thdun5 2013-02-21
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia
Renierit, Germanit
Views (Image: 1639851463): 58
Renierit, Germanit

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia. 8 cm x 8 cm x 6.5 cm

Collection: Norbert Stötzel (Kristalle unterm Krönchen)
Copyright: skibbo
Contribution: skibbo 2021-12-18
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia

Collectors Summary

Color blass gräulich rosa
Streak color grauschwarz
Lustre Metallglanz
Hardness (Mohs) 4
Cleavages keine
Solubility +++ HNO3
Crystal System kubisch, P43n

Chemism

Chem­ical formula

Cu13Fe2Ge2S16

Chem­ical com­po­si­tion

Eisen, Germanium, Kupfer, Schwefel

Unit weight: 1596.1223 u; Number of atoms in the formula: 33

Info

Empirical formula:

Cu13Fe2Ge2S16

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

32.14

16

48.48

32.0655000

513.0480000

Iron

Fe

7.00

2

6.06

55.8452000

111.6904000

Copper

Cu

51.76

13

39.39

63.5463000

826.1019000

Germanium

Ge

9.10

2

6.06

72.6410000

145.2820000

Anal­y­sis wt%

Ø Cu : 45.06, Fe : 8.14, Zn : 1.51, Ge : 9.61, As : 2.97, S : 31.96 (Ref: Doklady Akademiia Nauk, SSSR 87)

Strunz 9th edi­tion incl. updates

2.CB.30

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.
30:Germanit-Gruppe

Lapis Clas­sifica­tion

II/C.10-020

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

Clas­sifica­tion by Hölzel

2.CB.555

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

Dana 8th edi­tion

02.09.04.02

02: Sulfide Minerals
09: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:1
04: Germanite Group

IMA sta­tus

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

blass gräulich rosa

Streak color

grauschwarz

Lus­tre

Metallglanz

RI value α / ω / n

1.668

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

43m

Space Group number

218

Space Group

P43n

Cell param­e­ters a (Å)

10.585

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

2

Volumne (ų)

1185.967

X-Ray Pow­der Diffrac­tion

4.32(20),
3.054(100),
2.64(40),
1.87(80),
1.596(70),
1.214(30),
1.080(40),
0.895(30)

XRD chart Germanite

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)

4

VHN (Hard­ness Vick­ers)

190 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.59 (gemessen)

4.469 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Insta­bil­ity

+++ HNO3

(Co-)Type locality

(Co-)Type locality

Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine

Preface

Author (Name, Year)

Pufahl, 1922

Addi­tional Informa­tion

Entdeckt 1922

References

Handbook of Mineralogy (Anthony et al.), 1 (1990), 179

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

Colusite

Cu12VAs3S16

kubisch : 43m : P43n

2.CB.30

Germanite

Cu13Fe2Ge2S16

kubisch : 43m : P43n

2.CB.30

Ovamboite

Cu10Fe3WGe3S16

2.CB.30

Maikainite

Cu10Fe3MoGe3S16

2.CB.30

Nekrasovite

Cu13V(Sn,As,Sb)3S16

kubisch : 43m : P43n

2.CB.30

Stibiocolusite

Cu13V(Sb,As,Sn)3S16

kubisch : 43m : P43m

2.CB.30

Germanocolusite

Cu13V(Ge,As)3S16

kubisch : 43m : P43m

2.CB.30

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

Renierite

(Cu,Zn)11(Ge,As)2Fe4S16

tetragonal : 42m : P42c

II/C.10-010

Vinciennite

Cu10Fe4Sn(As,Sb)S16

II/C.10-015

Germanite

Cu13Fe2Ge2S16

kubisch : 43m : P43n

II/C.10-020

Nekrasovite

Cu13V(Sn,As,Sb)3S16

kubisch : 43m : P43n

II/C.10-030

Colusite

Cu12VAs3S16

kubisch : 43m : P43n

II/C.10-040

Stibiocolusite

Cu13V(Sb,As,Sn)3S16

kubisch : 43m : P43m

II/C.10-045

Germanocolusite

Cu13V(Ge,As)3S16

kubisch : 43m : P43m

II/C.10-047

Maikainite

Cu10Fe3MoGe3S16

II/C.10-050

Ovamboite

Cu10Fe3WGe3S16

II/C.10-055

Sulvanite

Cu3VS4

kubisch : 43m : P43m

II/C.10-060

Polkovicite

(Fe,Pb)3(Ge,Fe)1-xS4

II/C.10-070

Morozeviczite

(Pb,Fe)3Ge1-xS4

II/C.10-080

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

Haycockite

Cu4Fe5S8

2.CB.500

Mooihoekite

Cu9Fe9S16

tetragonal : 42m : P42m

2.CB.510

Talnakhite

Cu9(Fe,Ni)8S16

kubisch : 43m : I43m

2.CB.520

Putoranite

Cu1.1Fe1.2S2

kubisch : m3m

2.CB.525

Colusite

Cu12VAs3S16

kubisch : 43m : P43n

2.CB.530

Stibiocolusite

Cu13V(Sb,As,Sn)3S16

kubisch : 43m : P43m

2.CB.535

Germanocolusite

Cu13V(Ge,As)3S16

kubisch : 43m : P43m

2.CB.540

Nekrasovite

Cu13V(Sn,As,Sb)3S16

kubisch : 43m : P43n

2.CB.545

Renierite

(Cu,Zn)11(Ge,As)2Fe4S16

tetragonal : 42m : P42c

2.CB.550

Germanite

Cu13Fe2Ge2S16

kubisch : 43m : P43n

2.CB.555

Maikainite

Cu10Fe3MoGe3S16

2.CB.560

Ovamboite

Cu10Fe3WGe3S16

2.CB.565

Mawsonite

Cu61+Fe23+Sn4+S8

tetragonal : 42m : P4m2

2.CB.570

Chatkalite

Cu6Fe2+Sn2S8

tetragonal : 42m : P4m2

2.CB.575

Chaméanite

(Cu,Fe)4As(Se,S)4

2.CB.590

Lautite

CuAsS

orthorhombisch : mm2 : Pna21

2.CB.595

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

Chalcopyrite

CuFeS2

tetragonal : 42m : I42d

02.09.01.01

Eskebornite

CuFeSe2

tetragonal : 42m : P42c

02.09.01.02

Gallite

CuGaS2

tetragonal : 42m : I42d

02.09.01.03

Roquesite

CuInS2

tetragonal : 42m : I42d

02.09.01.04

Lenaite

AgFeS2

tetragonal : 42m : I42d

02.09.01.05

Laforêtite

AgInS2

tetragonal : 42m : I42d

02.09.01.06

Stannite

Cu2FeSnS4

tetragonal : 42m : I42m

02.09.02.01

Černýite

Cu2CdSnS4

tetragonal : 42m : I42m

02.09.02.02

Briartite

Cu2(Zn,Fe)GeS4

tetragonal : 42m : I42m

02.09.02.03

Kuramite

Cu3SnS4

tetragonal : 42m : I42m

02.09.02.04

Sakuraiite

(Cu,Zn,Fe)3(In,Sn)S4

02.09.02.05

Hocartite

Ag2FeSnS4

tetragonal : 42m : I42m

02.09.02.06

Pirquitasite

Ag2ZnSnS4

tetragonal : 42m, 4 : I42m, I4

02.09.02.07

Velikite

Cu2(Hg,Zn)SnS4

tetragonal : 4 : I4

02.09.02.08

Kësterite

Cu2(Zn,Fe)SnS4

tetragonal : 4 : I4

02.09.02.09

Ferrokësterite

Cu2FeSnS4

tetragonal : 4 : I4

02.09.02.10

Barquillite

Cu2(Cd,Fe)GeS4

tetragonal : 42m : I42m

02.09.02.11

Chatkalite

Cu6Fe2+Sn2S8

tetragonal : 42m : P4m2

02.09.03.02

Stannoidite

Cu8(Fe,Zn)3Sn2S12

orthorhombisch : 222 : I222

02.09.03.03

Renierite

(Cu,Zn)11(Ge,As)2Fe4S16

tetragonal : 42m : P42c

02.09.04.01

Germanite

Cu13Fe2Ge2S16

kubisch : 43m : P43n

02.09.04.02

Maikainite

Cu10Fe3MoGe3S16

02.09.04.03

Ovamboite

Cu10Fe3WGe3S16

02.09.04.04

Morozeviczite

(Pb,Fe)3Ge1-xS4

02.09.05.01

Polkovicite

(Fe,Pb)3(Ge,Fe)1-xS4

02.09.05.02

Hemusite

Cu1+4Cu2+2SnMoS8

02.09.06.01

Kiddcreekite

Cu6SnWS8

02.09.06.02

Putoranite

Cu1.1Fe1.2S2

kubisch : m3m

02.09.07.01

Talnakhite

Cu9(Fe,Ni)8S16

kubisch : 43m : I43m

02.09.08.01

Haycockite

Cu4Fe5S8

02.09.08.02

Mooihoekite

Cu9Fe9S16

tetragonal : 42m : P42m

02.09.08.03

Raguinite

TlFeS2

monoklin : 2/m : C2/m

02.09.09.01

Other languages

German

Germanit

Spanish

Germanita

English

Germanite

French

Germanite

Russian

Германит

Traditional Chinese

硫鍺銅礦

Simplified Chinese

硫锗铜矿

CNMNC symbol

Symbol

Ger

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

German pages

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

English pages

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

Webmineral.ru - search for: Германит

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German pages

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