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Yttrotungstite-(Ce)

Collectors Summary

Color orange-gelb
Hardness (Mohs) 1
Cleavages ausgezeichnet {100}
Crystal System monoklin, P21, P21/m
Morphology Meißelförmig mit {001}, {101}, {100}, {011}, und {110} als parallele platte, radialstrahlige Gruppen.

Chemism

Chemical formula

CeW2O6(OH)3

Chemical composition

Cerium, Sauerstoff, Wasserstoff, Wolfram

Unit weight: 654.816811 u; Number of atoms in the formula: 15

Info

Empirical formula:

CeW2O6(OH)3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.46

3

20.00

1.0079470

3.0238410
Oxygen

O

21.99

9

60.00

15.9994300

143.9948700
Cerium

Ce

21.40

1

6.67

140.1161000

140.1161000
Tungsten

W

56.15

2

13.33

183.8410000

367.6820000

Strunz 9th edition incl. updates

4.FD.20

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
F: Hydroxide (ohne V oder U)
D: Hydroxide mit OH, ohne H2O; Ketten aus kantenverknüpften Oktaeder
20:Yttrotungstit-Gruppe

Classification by Hölzel

4.EC.280

4: OXIDES
E: R2O5 RO3 and others
C: Woxides

Hey's Chemical Index of Minerals

27.04.07

27: Sulphites, Chromates, Molybdates and Tungstates
04: Tungstates

Dana 8th edition

49.03.03.01

49: Basic and Hydrated Molybdates and Tungstates
03: Basic and Hydrated Molybdates and Tungstates (Hydrated, containing Hydroxyl or Halogen)
03: Yttrotungstite Group

IMA status

Name von der CNMMN anstelle von Cerotungstit-(Ce) empfohlen - American Mineralogist 72, 1987, 1031

Mineral status

anerkanntes Mineral

Optical Properties

Color

orange-gelb

Diaphaneity (Transparency)

durchscheinend

Crystallography

Crystal System

monoklin

Class (H-M)

2, 2/m

Space Group number

4, 11

Space Group

P21, P21/m

Cell parameters a (Å)

5.874

Cell parameters b (Å)

8.7

Cell parameters c (Å)

7.07

Cell parameters a/b or c/a

0.675

Cell parameters c/b

0.813

Cell parameters α

90°

Cell parameters β

105.45°

Cell parameters γ

90°

Z

2

Volume (ų)

348.248

X-Ray Powder Diffraction

6.83(40),
3.405(100),
3.337(20),
2.627(20),
2.273(50),
1.767(20)
XRD chart Yttrotungstite-(Ce)

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

Morphology

Meißelförmig mit {001}, {101}, {100}, {011}, und {110} als parallele platte, radialstrahlige Gruppen.

Physical Properties

Hardness (Mohs)

1

Density (g/cm³)

6.23 (berechnet)

6.244 ( ρ calc. Mineralienatlas )

Cleavages

ausgezeichnet {100}

(Co-)Type locality

(Co-)Type locality

Uganda/Kigezi, Distrikt/Kirwa Mine

Malaysia/Perak/Kinta Valley/Zinnseifen

Malaysia/Perak/Kinta Valley/Pulai/Kramat Pulai Mine

Preface

Author (Name, Year)

Sahama, von Knorring, Lehtinen, 1970

References

Geological Society of Finland, Bulletin 42 (1970), 223.

American Mineralogist 57 (1972), 1558

Mineralogical Record 12 (1981), 81.

American Mineralogist 72 (1987), 1031.

Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. - Handbook of Mineralogy, Volume III. Halides, Hydroxides, Oxides. Mineral Data Publishing, Tucson, AZ (1997), 628pp. 11.

Other languages

Spanish

Itrotungstita-(Ce)

German

Yttrotungstit-(Ce)

French

Yttrotungstite-(Ce)

English

Yttrotungstite-(Ce)

Russian

Иттротунгстит-(Ce)

Alternative Name

Cerotungstite

Thorotungstite

CNMNC symbol

Symbol

Ytgs-Ce

Locations with GPS information

IDs

GUSID (Global unique identifier short form) LAGpWE5ncUW7DmAW0xtPTQ
GUID (Global unique identifier) 58A9012C-674E-4571-BB0E-6016D31B4F4D
Database ID 4872