Mineralienatlas Lexikon

Autunite (Autunit)

Introduction

Additional Functions

Chemism

Chemical formula

Ca(UO₂)₂(PO₄)₂·10-12H₂O

Additional chem. information

Chemical composition

Unit weight: 950,2301484 u; Number of atoms in the formula: 47						Info
Calculation formula:	Ca(UO₂)₂(PO₄)₂·10-12H₂O
Element	Symbol	Weight%	Atoms	Atoms%	Atom weight (u)	Sum weight (u)
Hydrogen	H	2.12	20	42.55	1.0079470	20.1589400
Oxygen	O	37.04	22	46.81	15.9994300	351.9874600
Phosphorus	P	6.52	2	4.26	30.9737612	61.9475224
Calcium	Ca	4.22	1	2.13	40.0784000	40.0784000
Uranium	U	50.10	2	4.26	238.0289130	476.0578260

Strunz 8th edition

Klasse/Gruppierung (Strunz 8)

Strunz 9th edition incl. updates

8.EB.05

Klasse/Gruppierung (Strunz 9)

8: Phosphate, Arsenate, Vanadate
E: Uranylphosphate und Arsenate
B: UO₂:RO₄ = 1:1
05:Autunit-Gruppe

Hey's Chemical Index of Minerals

Dana 7th edition

Dana 8th edition

IMA status

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

Mineral status

anerkanntes Mineral

Variety / polytype of

Optical Properties

Colour	gelb, grünlichgelb, blassgrün
Streak color	blassgelb
Diaphaneity (Transparency)	durchsichtig bis durchscheinend
Lustre	Glasglanz - Perlmuttglanz
Pleochroism
Refraction index
Luminescence	grünlich-gelb
Optical data

Crystallography

Crystal System	orthorhombisch
Class (H-M)	mmm
Space Group number	62
Space Group	Pnma
Cell Parameters (Å)
Z	4
Kristall structure
X-Ray Powder Diffraction	10.48(100), 5.19(90), 4.91(30), 3.565(80), 3.495(20), 3.317(20), 2.193(30), 2.181(20)
	Errechnet aus dem d-Spacing und Intensität bei 0.1541838 nm (Cu)
Morphology

Physical Properties

Hardness (Mohs)	2 -2,5
VHN (Hardness Vickers)
Cleavages	vollkommen {001} schlecht {100} schlecht {010}
Fracture	uneben
Density (g/cm³)	3,15
Tenacity
Radioactivity	radioaktiv
Melting point °C
Melting point K
Chem. Eigenschaften u. Tests

(Co-)Type locality

(Co-)Type locality	Frankreich /Burgund (Bourgogne), Region /Saône-et-Loire, Département /Autun /Saint-Symphorien-de-Marmagne
Type material
Collection number of type material
Paragenesis of type material

Preface

Occurrences
Generation conditions
Paragenesis
Rareness
Name from	der Typlokalität: Autun, Frankreich
Reference List	Handbook of Mineralogy (Anthony et al.), 4 (2000), 44
Corresponding author (Name, Year)	Brooke & Miller, 1852
Relevance, Usage
Collector information
Additional Information
Manipulation/Imitation

Other languages

Alternative Name

Japanisch	燐灰ウラン鉱
	Calcium-Autunite
German	Calciumphosphoruranit
German	Calcouranit
Spanish	Calcouranita
	Calcouranite
German	Kalk-Uranglimmer
German	Kalk-Uranit
	Lime-Uranite
French	Sel à base de chaux, où l'oxide d'urane joue le rôle d'acide

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

Deutsche Seiten	MinMax - suche nach: Autunit DeWikiPedia - suche nach: Autunit Mineralogisch-Petrographisches-Institut Hamburg - suche nach: Autunit Google-Bilder-Suche - suche nach: Autunit
Englische Seiten	Mindat - search for: Autunit Webmineral - search for: Autunit Handbook-of-Mineralogy - search for: Autunit Database-of-Raman-spectroscopy - search for: Autunit American-Mineralogist-Crystal-Structure-Database - search for: Autunit Athena - search for: Autunit