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Isocubanite (Isocubanit)

Collectors Summary

Color bronzebraun, vergleichbar zu Bornit
Streak color rosabraun in reflektiertem licht
Lustre Metallglanz
Hardness (Mohs) 3.5
Crystal System kubisch, P43m

Chemism

Chem­ical formula

CuFe2S3

Chem­ical com­po­si­tion

Eisen, Kupfer, Schwefel

Unit weight: 271.4332 u; Number of atoms in the formula: 6

Info

Empirical formula:

CuFe2S3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

35.44

3

50.00

32.0655000

96.1965000

Iron

Fe

41.15

2

33.33

55.8452000

111.6904000

Copper

Cu

23.41

1

16.67

63.5463000

63.5463000

Anal­y­sis wt%

Ø Cu : 21.16, Zn : 0.93, Fe : 42.06, S : 35.66 (Ref: Mineralogical Magazine 88)

Strunz 9th edi­tion incl. updates

2.CB.55

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.
55:Cubanit-Gruppe

Lapis Clas­sifica­tion

II/C.04-050

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

Clas­sifica­tion by Hölzel

2.CB.850

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
8: Cubanite-Argentopyrite-Group

Dana 8th edi­tion

02.09.13.03

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

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

bronzebraun, vergleichbar zu Bornit

Streak color

rosabraun in reflektiertem licht

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Anisotropism

isotropisch

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(400) 20.90, , 20.90
(420) 22.70, , 22.70
(440) 24.60, , 24.60
(460) 26.90, , 26.90
(480) 29.20, , 29.20
(500) 31.40, , 31.40
(520) 33.20, , 33.20
(540) 34.80, , 34.80
(560) 36.20, , 36.20
(580) 37.40, , 37.40
(600) 38.20, , 38.20
(620) 39.10, , 39.10
(640) 39.70, , 39.70
(660) 40.30, , 40.30
(680) 40.90, , 40.90
(700) 41.30, , 41.30

Reflection chart Isocubanite

Reflec­tiv­ity Ø

35.55

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

43m

Space Group number

215

Space Group

P43m

Cell param­e­ters a (Å)

5.303

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

1.3

Volumne (ų)

149.13

X-Ray Pow­der Diffrac­tion

3.055(100),
2.639(10),
1.870(90),
1.592(80),
1.321(20),
1.215(60),
1.206(20),
1.081(40)

XRD chart Isocubanite

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)

3.5

VHN (Hard­ness Vick­ers)

175 (100g)

Density (g/cm³)

3.98 (berechnet)

3.929 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Caye & Cervelle & Cesbron & Oudin & Picot & Pillard, 1988

References

Mineralogical Magazine 52 (1988), 509

Other languages

German

Isocubanit

Spanish

Isocubanita

French

Isocubanite

English

Isocubanite

Russian

Изокубанит

Simplified Chinese

等方黄铜矿

Alternative Name

English

Chalcopyrrhotite

English

CubaniteII

English

Cubiccubanite

Isochalcopyrit

French

Isochalcopyrite

CNMNC (IMA)-Number

IMA 1983-E

CNMNC symbol

Symbol

Icb

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

German pages

DeWikiPedia - search for: Isocubanit
Google-Bilder-Suche - search for: Isocubanit
Mineralienatlas.de (Forum) - search for: Isocubanit

English pages

Mindat - search for: Isocubanite
Webmineral - search for:Isocubanite
Handbook-of-Mineralogy - search for: Isocubanite
RRUFF - Raman, XRD and other mineral data - search for: Isocubanite
RRUFF - References and PDF downloads - search for: Isocubanite
American-Mineralogist-Crystal-Structure-Database - search for: Isocubanite
Strahlen.org - search for: Isocubanite

Russian pages

Webmineral.ru - search for: Изокубанит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Isocubanit
Crystal-Treasure.com - search for: Isocubanit
Bosse - search for: Isocubanit
Edelsteine Neuburg - Gundolf Fischer - search for: Isocubanit

Locations with GPS information