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Avicennite

Pictures (1 Images total)

Cuprostibit, Avicennit
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Cuprostibit, Avicennit

lilametallischer Cuprostibit mit typischer, guter Spaltbarkeit; die bräunlichen Flecken sind körniger Avicennit (Cuprostibit von Nakalak ist thalliumhaltig); Fundort: Nakalak, Ilimaussaq, Grönland;...

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2008-08-03
Locality: Nakalak (Nakalaq; Nakkaalaaq) / Tasseq / Ilimaussaq-Komplex / Narsaq / Kommune Kujalleq / Grönland

Collectors Summary

Color blass zu mittelgrau
Streak color graulich schwarz
Lustre Metallglanz
Hardness (Mohs) 2
Solubility +++ Säuren
Crystal System kubisch, Ia3
Morphology kubisch

Chemism

Chem­ical formula

Tl2O3

Chem­ical com­po­si­tion

Thallium, Sauerstoff

Unit weight: 456.76493 u; Number of atoms in the formula: 5

Info

Empirical formula:

Tl2O3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

10.51

3

60.00

15.9994300

47.9982900

Thallium

Tl

89.49

2

40.00

204.3833200

408.7666400

Strunz 9th edi­tion incl. updates

4.CB.10

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
C: Metall: Sauerstoff = 2: 3,3: 5, und vergleichbare
B: Mit mittelgroßen Kationen
10:Bixbyit-Gruppe

Lapis Clas­sifica­tion

IV/C.03-020

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und verwandte Verbindungen)
3: Bixbyit-Gruppe

Clas­sifica­tion by Hölzel

4.CA.140

4: OXIDES
C: R2O3 Sesquioxides
A: Arsenolite-Group

Dana 8th edi­tion

04.03.08.01

04: Oxide Minerals
03: Simple Oxides with a cation charge of 3+ (A+++2 O3)

IMA sta­tus

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

blass zu mittelgrau

Streak color

graulich schwarz

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Anisotropism

isotropisch

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(400) 11.50, , 11.50
(470) 12.50, , 12.50
(500) 13.00, , 13.00
(546) 12.70, , 12.70
(589) 12.30, , 12.30
(650) 10.60, , 10.60
(700) 11.50, , 11.50

Reflection chart Avicennite

Reflec­tiv­ity Ø

12.01

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3

Space Group number

206

Space Group

Ia3

Cell param­e­ters a (Å)

10.54

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

16

Volumne (ų)

1170.905

X-Ray Pow­der Diffrac­tion

4.304(10),
3.042(100),
2.635(40),
2.484(10),
2.068(10),
1.862(30),
1.589(20),
1.554(10)

XRD chart Avicennite

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

Morphol­ogy

kubisch

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2

VHN (Hard­ness Vick­ers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

10.35 (berechnet)

10.364 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Säuren

Preface

Author (Name, Year)

Karpova & Kon'kova & Larkin & Savel'ev, 1958

Col­lector informa­tion

Avicennit ist eines der giftigsten Mineralien!

Safety Instructions

Industrial chemicals are often present in powder form and therefore often contain much higher dangers than natural, crystalline substances. These hazard statements refer to the classification of industrially used chemical compounds that may also occur in this natural mineral. The hazard classification makes no claim to completeness.




Safety classes: H300: Lebensgefahr bei Verschlucken., H330: Lebensgefahr bei Einatmen., H373: Kann die Organe schädigen bei längerer oder wiederholter Exposition., H411: Giftig für Wasserorganismen, mit langfristiger Wirkung., P260: Staub / Rauch / Gas / Nebel / Dampf / Aerosol nicht einatmen., P264: Nach Gebrauch … gründlich waschen., P273: Freisetzung in die Umwelt vermeiden., P284: Atemschutz tragen., P301+P310: Bei Verschlucken: Sofort Giftinformationszentrum, Arzt oder … anrufen.

References

American Mineralogist 44 (1959), 1324

Other languages

Spanish

Avicenita

German

Avicennit

French

Avicennite

English

Avicennite

Russian

Авиценнит

Simplified Chinese

褐铊矿

Japanese

アヴィセンナイト

Alternative Name

Spanish

Avicennita

CNMNC symbol

Symbol

Avc

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Авиценнит

Mineral Dealer

German pages

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

Locations with GPS information