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Iridosmine

Pictures (2 Images total)

Iridosmium (Iridium-reiches Osmium)
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Iridosmium (Iridium-reiches Osmium)

Fundort: Nishnij-Tagil'skoye, Nizhnij Tagil, Sverdlovskaya Oblast, Ural, Russland; Größe: Durchmesser ca. 0,9 mm

Copyright: Torben
Contribution: Torben 2006-08-28
Locality: Nischni Tagil (Nizhnii Tagil) / Jekaterinburg / Swerdlowsk, Oblast (Sverdlovskaya) / Ural, Föderationskreis / Russland
Iridosmin
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Iridosmin

Größe: 38x21x10 mm; Fundort: Ural, Russland

Copyright: Crystalclassics.co.uk
Contribution: slugslayer 2017-09-02
Locality: Ural, Föderationskreis / Russland

Collectors Summary

Color weiß bis grau
Lustre Metallglanz
Hardness (Mohs) 6 - 7
Cleavages gut - höchst vollkommen nach {0001}
Solubility - Säuren, Königswasser
Crystal System hexagonal, P63/mmc

Chemism

Chem­ical formula

(Os,Ir)

Addi­tional chem. informa­tion

iridiumreiche Varietät von Osmium

Chem­ical com­po­si­tion

Iridium, Osmium

Unit weight: 190.729075 u; Number of atoms in the formula: 1

Info

Empirical formula:

(Os0.75Ir0.25)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Osmium

Os

74.80

0.75

75.00

190.2330000

142.6747500

Iridium

Ir

25.20

0.25

25.00

192.2173000

48.0543250

Clas­sifica­tion by Hölzel

1.AG.130

1: ELEMENTS
A: Metals, Intermetallic Compounds, and Alloys
G: PGE-Group

Min­eral sta­tus

Varietät

Var­i­ety / poly­type of

Osmium

Optical Properties

Color

weiß bis grau

Change in color

blaugrauer Farbton in reflktiertem Licht

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Anisotropism

schwach bis moderat

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(400) 62.60, 63.60, 63.10
(420) 63.20, 64.20, 63.70
(440) 63.80, 64.80, 64.30
(460) 64.30, 65.30, 64.80
(480) 64.60, 65.60, 65.10
(500) 64.80, 66.00, 65.40
(520) 64.60, 66.20, 65.40
(540) 64.30, 66.20, 65.25
(560) 64.00, 66.00, 65.00
(580) 63.50, 65.70, 64.60
(600) 63.10, 65.40, 64.25
(620) 62.80, 65.40, 64.10
(640) 62.60, 65.40, 64.00
(660) 62.40, 65.50, 63.95
(680) 62.20, 65.60, 63.90
(700) 62.00, 65.80, 63.90

Reflection chart Iridosmine

Reflec­tiv­ity Ø

64.42

Crystallography

Crystal Sys­tem

hexagonal

Class (H-M)

6/mmm

Space Group number

194

Space Group

P63/mmc

Cell param­e­ters a (Å)

2.719

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

4.276

Cell param­e­ters a/b or c/a

1.573

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

2

Volumne (ų)

27.377

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

6 - 7

Density (g/cm³)

23.26 (berechnet) 20 (gemessen)

23.136 ( ρ calc. Mineralienatlas )

Cleav­ages

gut - höchst vollkommen nach {0001}

Tenac­ity

spröde

Insta­bil­ity

- Säuren, Königswasser

Chem­ical Prop­er­ties and Tests

keine Löslichkeit in kochendem Königswasser

(Co-)Type locality

(Co-)Type locality

Brasilien

Preface

Name from

Iridium und Osmium

Author (Name, Year)

Palache, Charles, Harry Berman & Clifford Frondel , The System of Mine

References

Lehrbuch der Mineralogie/Rösler (1991)

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Ruthenium

Ru

hexagonal : 6/mmm : P63/mmc

1.AG.100

Rutheniridosmine

(Ir,Os,Ru)

hexagonal : 6/mmm : P63/mmc

1.AG.120

'Iridosmine' (Var.v. Osmium)

(Os,Ir)

hexagonal : 6/mmm : P63/mmc

1.AG.130

Osmium

Os

hexagonal : 6/mmm : P63/mmc

1.AG.140

Alternative Name

German

Iridosmium

English

Siserskite

English

Syssertskite

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

German pages

DeWikiPedia - search for: Iridosmin
Google-Bilder-Suche - search for: Iridosmin
Mineralogisch-Petrographisches-Institut Hamburg - search for: Iridosmin

English pages

Mindat - search for: Iridosmine
Webmineral - search for:Iridosmine
Handbook-of-Mineralogy - search for: Iridosmine
RRUFF - Raman, XRD and other mineral data - search for: Iridosmine
RRUFF - References and PDF downloads - search for: Iridosmine
American-Mineralogist-Crystal-Structure-Database - search for: Iridosmine
Athena - search for: Iridosmine
Strahlen.org - search for: Iridosmine
Mineralienatls.de (Forum) - search for: Iridosmin

Russian pages

Webmineral.ru - search for: Иридосмин

Mineral Dealer

German pages

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

Locations with GPS information