https://www.mineraliengrosshandel.com
https://www.mineral-bosse.de
https://www.edelsteine-neuburg.de
https://www.mineralbox.biz
'._('einklappen').'
 

Iranite

Pictures (1 Images total)

Iranit
Views (File:
1353168467
): 1877
Iranit
Langprismatische rote Kristalle, BB = 2 mm, Fundort: Chah Khouni Mine,Anarak/Iran.
Copyright: Heribert Rotter; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A003833, Donator: Melanie Albert
Location: Iran/Isfahan (Esfahan), Provinz/Nain, Bezirk/Anarak, Distrikt/Chah Khouni Mine (Chah Khoni Mine; Tschah Khuni Mine; El Khun Mine)
Mineral: Iranite
Image: 1353168467
License: Usage for Mineralienatlas project only
Iranit (SNr: A003833)

Langprismatische rote Kristalle, BB = 2 mm, Fundort: Chah Khouni Mine,Anarak/Iran.

Collection: Lithothek der Münchener Micromounter
Copyright: Heribert Rotter
Contribution: Münchener Micromounter 2012-11-17
Locality: Chah Khouni Mine (Chah Khoni Mine; Tschah Khuni Mine; El Khun Mine) / Anarak, Distrikt / Nain, Bezirk / Isfahan (Esfahan), Provinz / Iran

You find additional specimen at the Geolitho Museum

Collectors Summary

Color bräunlichgelb, gelb, honigbraun
Streak color gelb
Solubility +++ warme Na2CO3 Lösung
Crystal System triklin, P1, P1

Chemism

Chemical formula

Pb10Cu(CrO4)6(SiO4)2(F,OH)2

Chemical composition

Blei, Chrom, Kupfer, Silicium, Fluor, Sauerstoff, Wasserstoff

Unit weight: 3052.777373375 u; Number of atoms in the formula: 53.5

Info

Empirical formula:

Pb10Cu(CrO4)6(SiO4)2(F0.75(OH)0.25)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.02

0.5

0.93

1.0079470

0.5039735

Oxygen

O

17.03

32.5

60.75

15.9994300

519.9814750

Fluorine

F

0.93

1.5

2.80

18.9984033

28.4976049

Silicon

Si

1.84

2

3.74

28.0855300

56.1710600

Chromium

Cr

10.22

6

11.21

51.9961600

311.9769600

Copper

Cu

2.08

1

1.87

63.5463000

63.5463000

Lead

Pb

67.88

10

18.69

207.2100000

2,072.1000000

Analysis wt%

PbO : 72.20, CuO : 4.20, ZnO : 1.10, CrO3 : 19.80, SiO2 : 3.90 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 72)

Strunz 9th edition incl. updates

7.FC.15

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
F: Chromate
C: Mit PO4, AsO4, SiO4
15:Iranit-Gruppe

Lapis Classification

VIII/B.28-010

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
28: Kationen mit Koordinationszahlen zwischen [8] und [12]; Inselsilikate mit [SO4] 2--, [CrO4] 2- und [PO4] 3--Gruppen

Classification by Hölzel

7.FB.270

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
F: Chromates
B: Chromates (+Anions -Water)

Dana 8th edition

36.01.01.01

36: Compound Chromates
01: Compound Chromates with miscellaneous formulae

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Iranite group

Optical Properties

Color

bräunlichgelb, gelb, honigbraun

Streak color

gelb

max. Birefringence

0.17

Birefringence chart\! Iranite title=Birefringence chart Iranite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

2.28

RI value β

2.365

RI value γ / ε

2.45

Ri mean

2.365

2V angle

Biaxial (+) weit

Optical Data Luminescence

Color SW-UV (254nm)

 

grünlich

SW-UV Intensity

schwach

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

triklin

Class (H-M)

1, 1

Space Group number

1, 2

Space Group

P1, P1

Cell parameters a (Å)

10.02

Cell parameters b (Å)

9.54

Cell parameters c (Å)

9.89

Cell parameters a/b or c/a

1.050

Cell parameters c/b

1.037

Cell parameters α

104.50

Cell parameters β

66°

Cell parameters γ

108.50

Z

1

Volume (ų)

810.958

X-Ray Powder Diffraction

4.84(80),
4.42(80),
3.60(100),
3.49(100),
3.28(100),
3.18(100),
3.08(100)

XRD chart Iranite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

5.8

6.251 ( ρ calc. Mineralienatlas )

Instability

+++ warme Na2CO3 Lösung

Preface

Author (Name, Year)

Bariand & Herpin, 1963

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 370

IMA group assignments

Other languages

German

Iranit

Spanish

Iranita

French

Iranite

English

Iranite

Russian

Иранит

Alternative Name

English

Khuniite

Traditional Chinese

水鉻鉛礦

Simplified Chinese

水铬铅矿

CNMNC symbol

Symbol

Irn

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 81o42MDKPkqVdeMsGNjWPg
GUID (Global unique identifier) D8385AF3-CAC0-4A3E-9575-E32C18D8D63E
Database ID 1732