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Kahlerite (Kahlerit)

Pictures (5 Images total)

Kahlerit
Views (File:
1385384264
): 1266
Kahlerit
Bildbreite: 2 mm; Fundort: Absetzerhalde, Tagebau Lichtenberg b. Ronneburg, Thüringen, Deutschland
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Deutschland/Thüringen/Greiz, Landkreis/Ronneburg/Absetzerhalde
Mineral: Kahlerite
Image: 1385384264
License: Usage for Mineralienatlas project only
Kahlerit

Bildbreite: 2 mm; Fundort: Absetzerhalde, Tagebau Lichtenberg b. Ronneburg, Thüringen, Deutschland

Copyright: Stephan Wolfsried
Contribution: Hg 2013-11-25
Locality: Absetzerhalde / Ronneburg / Greiz, Landkreis / Thüringen / Deutschland
Kahlerit
Views (File:
1591975739
): 408
Kahlerit
Grube St.Christoph Breitenbrunn; Bildbreite 2,3 mm
Copyright: Ulrich Hansper; Contribution: Ulrich Hansper
Collection: Ulrich Hansper
Location: Deutschland/Sachsen/Erzgebirgskreis/Schwarzenberger Kuppel/Breitenbrunn/Grube St. Christoph
Mineral: Kahlerite
Image: 1591975739
License: Usage for Mineralienatlas project only
Kahlerit

Grube St.Christoph Breitenbrunn; Bildbreite 2,3 mm

Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2020-06-12
Locality: Grube St. Christoph / Breitenbrunn / Schwarzenberger Kuppel / Erzgebirgskreis / Sachsen / Deutschland
Kahlerit
Views (File:
1591975866
): 388
Kahlerit
Grube St.Christoph Breitenbrunn; Bildbreite 2,3 mm
Copyright: Ulrich Hansper; Contribution: Ulrich Hansper
Collection: Ulrich Hansper
Location: Deutschland/Sachsen/Erzgebirgskreis/Schwarzenberger Kuppel/Breitenbrunn/Grube St. Christoph
Mineral: Kahlerite
Image: 1591975866
License: Usage for Mineralienatlas project only
Kahlerit

Grube St.Christoph Breitenbrunn; Bildbreite 2,3 mm

Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2020-06-12
Locality: Grube St. Christoph / Breitenbrunn / Schwarzenberger Kuppel / Erzgebirgskreis / Sachsen / Deutschland
Kahlerit
Views (File:
1591975994
): 412
Kahlerit
Grube St.Christoph Breitenbrunn; Bildbreite 2,3 mm
Copyright: Ulrich Hansper; Contribution: Ulrich Hansper
Collection: Ulrich Hansper
Location: Deutschland/Sachsen/Erzgebirgskreis/Schwarzenberger Kuppel/Breitenbrunn/Grube St. Christoph
Mineral: Kahlerite
Image: 1591975994
License: Usage for Mineralienatlas project only
Kahlerit

Grube St.Christoph Breitenbrunn; Bildbreite 2,3 mm

Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2020-06-12
Locality: Grube St. Christoph / Breitenbrunn / Schwarzenberger Kuppel / Erzgebirgskreis / Sachsen / Deutschland
Kahlerit
Views (File:
1591976139
): 402
Kahlerit
Grube St.Christoph Breitenbrunn; Bildbreite 2,3 mm
Copyright: Ulrich Hansper; Contribution: Ulrich Hansper
Collection: Ulrich Hansper
Location: Deutschland/Sachsen/Erzgebirgskreis/Schwarzenberger Kuppel/Breitenbrunn/Grube St. Christoph
Mineral: Kahlerite
Image: 1591976139
License: Usage for Mineralienatlas project only
Kahlerit

Grube St.Christoph Breitenbrunn; Bildbreite 2,3 mm

Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2020-06-12
Locality: Grube St. Christoph / Breitenbrunn / Schwarzenberger Kuppel / Erzgebirgskreis / Sachsen / Deutschland

Collectors Summary

Color gelbgrün, zitronengelb
Streak color hellgelb
Hardness (Mohs) 2.5
Solubility +++ Säuren
Crystal System tetragonal, P42/n

Chemism

Chemical formula

Fe2+(UO2)2(AsO4)2·10-12H2O

Chemical composition

Arsen, Eisen, Sauerstoff, Uran, Wasserstoff

Unit weight: 1071.907954 u; Number of atoms in the formula: 50

Info

Empirical formula:

Fe(UO2)2(AsO4)2·11H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.07

22

44.00

1.0079470

22.1748340

Oxygen

O

34.33

23

46.00

15.9994300

367.9868900

Iron

Fe

5.21

1

2.00

55.8452000

55.8452000

Arsenic

As

13.98

2

4.00

74.9216020

149.8432040

Uranium

U

44.41

2

4.00

238.0289130

476.0578260

Analysis wt%

FeO : 6.57, UO3 : 52.66, As2O5 : 21.01, H2O : 19.76 (Ref: berechnet)

Strunz 9th edition incl. updates

8.EB.05

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

Lapis Classification

VII/E.01-050

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
E: Uranyl-Phosphate/Arsenate und Uranyl-Vanadate mit [UO2] 2+- [PO4]/[AsO4] 3- und [UO2] 2+-[V2O8] 6-, sowie isotype Vanadate (Sincosit-Reihe)
1: Autunit-Gruppe

Classification by Hölzel

8.EA.135

8: PHOSPHATES ARSENATES VANADATES
E: Uranyl (Phospates-Arsenates-Vanadates)
A: Tetragonal Uranyl (Phosphates-Arsenates)
1: C small-medium Novacekite-Zeunerite-Group

Dana 8th edition

40.02a.15.01

40: Hydrated Phosphates, etc
02a: Hydrated Phosphates, etc where A++ (B++)2 (XO4) · x(H2O), containing (UO2)++

IMA status

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

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Autunite group

Optical Properties

Color

gelbgrün, zitronengelb

Streak color

hellgelb

Diaphaneity (Transparency)

transparent bis durchscheinend

max. Birefringence

0.002

Birefringence chart\! Kahlerite title=Birefringence chart Kahlerite

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

1.632

RI value γ / ε

1.634

Ri mean

1.633

2V angle

Uniaxial (-)

Crystallography

Crystal System

tetragonal

Class (H-M)

4/m

Space Group number

86

Space Group

P42/n

Cell parameters a (Å)

14.30

Cell parameters b (Å)

-

Cell parameters c (Å)

21.97

Cell parameters a/b or c/a

1.536

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Volume (ų)

4492.645

X-Ray Powder Diffraction

11.1(80),
5.55(50),
3.59(50),
3.53(100),
3.20(20),
2.53(20),
1.763(30),
1.603(40)

XRD chart Kahlerite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.5

VHN (Hardness Vickers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.22 (berechnet)

3.169 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

Preface

Author (Name, Year)

Meixner, 1953

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

Meixner, H.: Kahlerit, ein neues Minerale der Uranglimmergruppe, aus der Hüttenberger Erzlagerstätte. Der Karinthin Folge 23 (1953) S. 277-280.

Handbook of Mineralogy (Anthony et al.), 4 (2000), 273

IMA group assignments

Other languages

German

Kahlerit

Spanish

Kahlerita

English

Kahlerite

French

Kahlerite

CNMNC symbol

Symbol

Kah

Locations with GPS information

IDs

GUSID (Global unique identifier short form) q_3m0bsjh0KOtqwOZiIolw
GUID (Global unique identifier) D1E6FDAB-23BB-4287-8EB6-AC0E66222897
Database ID 1834