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Agrinierite (Agrinierit)

Pictures (2 Images total)

Agrinierit
Views (File:
1378317445
): 3866
Agrinierit
Bildbreite: 6 mm, Fundort: Mine de Margnac, Compreignac, Haute-Vienne, Limousin, Frankreich
Copyright: Leonardus; Contribution: thdun5
Location: Frankreich/Nouvelle-Aquitaine, Region/Haute-Vienne, Département/Bellac, Arrondissement/Bessines-sur-Gartempe/Mine de Margnac
Mineral: Agrinierite
Image: 1378317445
License: Usage for Mineralienatlas project only
Agrinierit

Bildbreite: 6 mm, Fundort: Mine de Margnac, Compreignac, Haute-Vienne, Limousin, Frankreich
Copyright: Leonardus
Contribution: thdun5 2013-09-04
Locality: Mine de Margnac / Bessines-sur-Gartempe / Bellac, Arrondissement / Haute-Vienne, Département / Nouvelle-Aquitaine, Region / Frankreich
Agrinierit
Views (File:
1492032604
): 610
Agrinierit
Agrinierit und Compreignacit auf einer Stufe von der TL; Stufengroesse :10x18 cm; Ex -Sammlung Bueltemann
Copyright: Ferdl; Contribution: Rockhounder
Collection: Ferdl
Location: Frankreich/Nouvelle-Aquitaine, Region/Haute-Vienne, Département/Bellac, Arrondissement/Bessines-sur-Gartempe/Mine de Margnac
Mineral: Agrinierite
Image: 1492032604
License: Usage for Mineralienatlas project only
Agrinierit

Agrinierit und Compreignacit auf einer Stufe von der TL; Stufengroesse :10x18 cm; Ex -Sammlung Bueltemann
Collection: Ferdl
Copyright: Ferdl
Contribution: Rockhounder 2017-04-12
Locality: Mine de Margnac / Bessines-sur-Gartempe / Bellac, Arrondissement / Haute-Vienne, Département / Nouvelle-Aquitaine, Region / Frankreich

Collectors Summary

Color orange
Cleavages gut {001}
Crystal System orthorhombisch, F2mm

Chemism

Chemical formula

K2Ca[(UO2)3O3(OH)2]2·5H2O

Chemical composition

Calcium, Kalium, Sauerstoff, Uran, Wasserstoff

Unit weight: 1992.544366 u; Number of atoms in the formula: 50

Info

Empirical formula:

K2Ca[(UO2)3O3(OH)2]2·5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.71

14

28.00

1.0079470

14.1112580
Oxygen

O

21.68

27

54.00

15.9994300

431.9846100
Potassium

K

3.92

2

4.00

39.0983100

78.1966200
Calcium

Ca

2.01

1

2.00

40.0784000

40.0784000
Uranium

U

71.68

6

12.00

238.0289130

1,428.1734780

Analysis wt%

SrO : 2.05, K2O : 3.35, CaO : 2.20, UO3 : 85.15, H2O : 7.45 (Ref: Mineralogical Magazine 72)

Strunz 9th edition incl. updates

4.GB.05

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
G: Uranylhydroxide
B: Mit zusätzlichen Kationen ([K], [Ca], [Ba], [Pb], etc.) mit vorwiegend UO2(O,OH)5 pentagonalen Polyedern
05:Compreignacit-Gruppe

Lapis Classification

IV/H.02-010

IV: OXIDE
H: Uranyl([UO2] 2+)-Hydroxide und -Hydrate

Classification by Hölzel

4.GB.340

4: OXIDES
G: Vanadin, Uranyl Oxides and Hydroxides
B: Uranylhydroxides-Hydrates
3: With Alkali Compreignacite-Group

Dana 8th edition

05.05.01.01

05: Oxides Containing Uranium and Thorium
05: Oxides Containing Uranium and Thorium with alkaline and alkaline-earth elements (hydrated)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

orange

Diaphaneity (Transparency)

transparent bis durchscheinend

RI value β

2.01

RI value γ / ε

2.06

2V angle

Biaxial (-) 55° (gemessen)

Orientation

X = a; Z = b

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mm2

Space Group number

42

Space Group

F2mm

Cell parameters a (Å)

14.094

Cell parameters b (Å)

14.127

Cell parameters c (Å)

24.106

Cell parameters a/b or c/a

0.998

Cell parameters c/b

1.706

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Volumne (ų)

4799.648

X-Ray Powder Diffraction

7.08(100),
6.05(70),
3.516(80),
3.485(90),
3.153(90),
3.128(100),
2.793(50),
1.945(70)
XRD chart Agrinierite

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)

5.62 - 5.7, Ø 5.66 (gemessen)

5.515 ( ρ calc. Mineralienatlas )

Cleavages

gut {001}

Radioactivity

das Mineral ist radioaktiv da Uran-haltig

(Co-)Type locality

(Co-)Type locality

Frankreich/Nouvelle-Aquitaine, Region/Haute-Vienne, Département/Bellac, Arrondissement/Bessines-sur-Gartempe/Mine de Margnac

Type material

University of Pierre and Marie Curie, Paris, Frankreich

National School of Mines, Paris, Frankreich

National Museum of Natural History, Washington, D.C., USA

Collection number of type material

137454 (USA)

Preface

Name from

Henri Agrinier (1928-1971), ein Ingenieur im Mineralogie Laboratoratorium der Französischen Atomenergie Kommission, Paris, Frankreich

Author (Name, Year)

Cesbron & Brown & Bariand & Geffroy, 1972

Cahill, C.L., Burns, P., 2000

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: Ionizing radiation: Radioaktiv

References

Mineralogical Magazine 38 (1972), 781

American Mineralogist 85 (2000), 1294-1297

Other languages

German

Agrinierit

Spanish

Agrinierita

English

Agrinierite

French

Agrinierite

Latvian

Agrinierīts

Russian

Агриньерит

CNMNC (IMA)-Number

IMA 1971-046

CNMNC symbol

Symbol

Agn

Locations with GPS information