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Ishiharaite

Collectors Summary

Color dunkelgrau
Lustre Metallglanz
Crystal System kubisch, F43m

Chemism

Chemical formula

(Cu,Ga,Fe,In,Zn)S

Chemical composition

Eisen, Gallium, Indium, Kupfer, Zink, Schwefel

Unit weight: 99.042645 u; Number of atoms in the formula: 2

Info

Empirical formula:

(Cu0.55Ga0.25Fe0.1In0.05Zn0.05)S

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

32.38

1

50.00

32.0655000

32.0655000
Iron

Fe

5.64

0.1

5.00

55.8452000

5.5845200
Copper

Cu

35.29

0.55

27.50

63.5463000

34.9504650
Zinc

Zn

3.30

0.05

2.50

65.4094000

3.2704700
Gallium

Ga

17.60

0.25

12.50

69.7231000

17.4307750
Indium

In

5.80

0.05

2.50

114.8183000

5.7409150

Strunz 9th edition incl. updates

2.CB.05a

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfoarsenide, Sulfoantimonide, Sulfobismuthide)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
B: mit Zink (Zn), Eisen (Fe), Kupfer (Cu), Silber (Ag), usw.
05a:

Lapis Classification

II/C.01-003

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

IMA status

anerkannt - CNMNC Newsletter No. 19, February 2014

Mineral status

anerkanntes Mineral

Optical Properties

Color

dunkelgrau

Change in color

Unter polarisiert-reflektiertem Licht seine Frabe weinrot braun mit einem schwachen violetten Farbton in der Luft und violett-Burgund in Öl.

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Anisotropism

isotropisch unter polarisiert-reflektiertem Licht

Reflectivity: (Lambda nm) ↓, ↑, Ø

(470) 18.27, 6.77, 12.52
(546) 20.10, 7.91, 14.01
(589) 21.74, 8.96, 15.35
(650) 23.94, 10.44, 17.19
Reflection chart Ishiharaite

Reflectivity Ø

14.77

Optical Data Luminescence

Luminescence

keine Fluoreszenz

Crystallography

Crystal System

kubisch

Class (H-M)

43m

Space Group number

216

Space Group

F43m

Cell parameters a (Å)

5.368(1)

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

4

Volume (ų)

154.681

Crystal structure

Sphalerit-Strukturtyp

X-Ray Powder Diffraction

3.096(100),
2.684(20),
1.898(60),
1.620(40),
1.344(10),
1.231(10),
1.097(15),
1.035(10)
XRD chart Ishiharaite

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

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

4.253 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Argentinien/Catamarca, Provinz/Andalgalá, Departamento/Capillitas Minen Distrikt/Nueva Esperanza Gangzug

Type material

Museo de Mineralogiá ‘‘Alfred Stelzner’’, Universidad Nacional de Córdoba, Córdoba, Argentinien

Collection number of type material

3280

Preface

Author (Name, Year)

Mariá Florencia Márquez-Zavaliá, Miguel Ángel Galliski, Milan Drábek, Anna Vymazalová , Yasushi Watanabe, Hiroyasu Murakami und Heinz-Jürgen Bernhardt (2013)

References

Márquez-Zavaliá, M.F., Galliski, M., Drábek, M., Vymazalová, A., Watanabe, Y., Murakami, H. and Bernhardt, H.-J. (2014) Ishiharaite, IMA 2013-119. CNMNC Newsletter No. 19, February 2014, page 170; Mineralogical Magazine, 78, 165-170.

Márquez-Zavalía, M.F., Galliski, M.Á., Drábek, M., Vymazalová, A., Watanabe, Y., Murakami, H., Bernhardt, H.-J. - Ishiharaite, (Cu,Ga,Fe,In,Zn)S, a new mineral from the Capillitas Mine, Northwestern Argentina. Canadian Mineralogist, 52, 969-980.

Other languages

German

Ishiharait

English

Ishiharaite

Russian

Ишихараит

CNMNC (IMA)-Number

IMA 2013-119

CNMNC symbol

Symbol

Ish

Locations with GPS information

IDs

GUSID (Global unique identifier short form) qy6IKpG3aEK8wPTuP85e9A
GUID (Global unique identifier) 2A882EAB-B791-4268-BCC0-F4EE3FCE5EF4
Database ID 7741