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Germanite

Pictures (5 Images total)

Germanit, Bornit
Views (Image: 1208198896): 4002
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): 2769
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): 2234
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): 2285
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): 1962
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

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

CNMNC symbol

Symbol

Ger

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

German pages

DeWikiPedia - search for: Germanit
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English pages

Mindat - search for: Germanite
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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

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