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Germanite

Pictures (6 Images total)

Germanit, Bornit
Views (File:
1208198896
): 4364
Germanit, Bornit
Germanit, derb mit Bornit; Fundort: Tsumeb Mine, Otaviberge, Namibia; Größe: 30x20x15 mm
Copyright: rtbstone; Contribution: rtbstone
Collection: rtbstone
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Bornite, Germanite
Image: 1208198896
Rating: 7.67 (votes: 3)
License: Usage for Mineralienatlas project only
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 (File:
1269194187
): 2990
Germanit
5,0x4,5x4,7 cm, Tsumeb Mine, Otjikoto Region, Namibia
Copyright: ingo; Contribution: ingo
Collection: ingo, Collection number: A004
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Germanite
Image: 1269194187
License: Creative Commons - Attribution (CC-BY) V.3.0
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 (File:
1351457158
): 2500
Germanit
Größe: 61x49x28 mm; Fundort: Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
Copyright: Watzl Minerals; Contribution: slugslayer
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Germanite
Image: 1351457158
License: Usage for Mineralienatlas project only
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 (File:
1356724625
): 2548
Germanit
Derb metallisch blau, BB = 35 mm, Fundort: Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
Copyright: Bebo; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A003200, Donator: Melanie Albert
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Germanite
Image: 1356724625
License: Usage for Mineralienatlas project only
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 (File:
1361450265
): 2195
Germanit
Größe: 1,4 x 1 x 0,5 cm, Fundort: Tsumeb Mine, Otjikoto Region, Namibia
Copyright: thdun5; Contribution: thdun5
Collection: thdun5, Collection number: 02.320
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Germanite
Image: 1361450265
License: Usage for Mineralienatlas project only
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 (File:
1639851463
): 104
Renierit, Germanit
Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia. 8 cm x 8 cm x 6.5 cm
Copyright: skibbo; Contribution: skibbo
Collection: Norbert Stötzel (Kristalle unterm Krönchen)
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Germanite
Image: 1639851463
License: Usage for Mineralienatlas project only
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

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
Mineralienatlas.de (Forum) - 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
Strahlen.org - search for: Germanite

Russian pages

Webmineral.ru - search for: Германит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Germanit
Crystal-Treasure.com - search for: Germanit
Bosse - search for: Germanit
Edelsteine Neuburg - Gundolf Fischer - search for: Germanit
Geolitho marketplace, by and for collectors - search for: Germanit

Locations with GPS information