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Tancaite-(Ce) (IMA 2009-097)

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Tancait-(Ce)
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Tancait-(Ce)
Größe: 0,30 mm; Fundort: Su Senargiu mine, Sarroch, Cagliari, Sardinien, Italien
Copyright: Enrico Bonacina; Contribution: Hg
Collection: Domenico Preite
Location: Italien/Sardinien (Sardegna), Region/Cagliari, Metropolitanstadt/Sarroch/Su Senargiu mine
Mineral: Tancaite-(Ce)
Image: 1379844499
License: Usage for Mineralienatlas project only
Tancait-(Ce)

Größe: 0,30 mm; Fundort: Su Senargiu mine, Sarroch, Cagliari, Sardinien, Italien
Collection: Domenico Preite
Copyright: Enrico Bonacina
Contribution: Hg 2013-09-22
Locality: Su Senargiu mine / Sarroch / Cagliari, Metropolitanstadt / Sardinien (Sardegna), Region / Italien

Collectors Summary

Color braun
Crystal System trigonal, R3

Chemism

Chemical formula

FeCe(MoO4)3·3H2O

Chemical composition

Cerium, Eisen, Molybdän, Sauerstoff, Wasserstoff

Unit weight: 729.826432 u; Number of atoms in the formula: 26

Info

Empirical formula:

FeCe(MoO4)3·3H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.83

6

23.08

1.0079470

6.0476820
Oxygen

O

32.88

15

57.69

15.9994300

239.9914500
Iron

Fe

7.65

1

3.85

55.8452000

55.8452000
Molybdenum

Mo

39.44

3

11.54

95.9420000

287.8260000
Cerium

Ce

19.20

1

3.85

140.1161000

140.1161000

Analysis wt%

MoO3 : 59.17, Fe2O3 : 10.94, Ce2O3 : 22.49, H2O : 7.41, Ln2O3 : 22.49 (Ref: berechnet)

Strunz 9th edition incl. updates

7.GB.50

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
G: Molybdate und Wolframate
B: Mit zusätzlichen [Anionen] und/oder H2O
50:

Lapis Classification

VI/G.02-040

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
G: Molybdate [MoO4] 2- und Wolframate [WO4] 2-

Classification by Hölzel

7.GC.330

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
G: Molybdates and Wolframates
C: Molybdates and Wolframates (-Anions +Water)

IMA status

anerkannt - März 2010, IMA 2009-097. CNMNC Newsletter, April 2010, page 376; Mineralogical Magazine, 74, 375-377.

Mineral status

anerkanntes Mineral

Optical Properties

Color

braun

Diaphaneity (Transparency)

durchsichtig, durchscheinend

Crystallography

Crystal System

trigonal

Class (H-M)

3

Space Group number

148

Space Group

R3

Cell parameters a (Å)

19.290

Cell parameters b (Å)

-

Cell parameters c (Å)

47.251

Cell parameters a/b or c/a

2.450

Cell parameters c/b

-

Volumne (ų)

15226.711

Kristall structure

Neuer Strukturtyp; durchschnittliche Struktur bestimmt

X-Ray Powder Diffraction

4.84(45), 4.12(8), 3.93(75), 3.42(100), 2.785(10), 1.825(15), 1.610(10), 1.340(12)
XRD chart Tancaite-(Ce)

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

Crystals 3D

Open larger view

(Co-)Type locality

(Co-)Type locality

Italien/Sardinien (Sardegna), Region/Cagliari, Metropolitanstadt/Sarroch/Su Senargiu mine

Type material

Das Typ-Materialwird in der Referenz-Sammlung des Museo di Storia Naturale e del Territorio, Universität von Pisa gelagert

Collection number of type material

18911

Preface

Name from

Benannt nach dem Sammler Giuseppe Tanca

Author (Name, Year)

Orlandi, P. and Elena Bonaccorsi,E., 2010

References

Orlandi, P. and Bonaccorsi, E. - IMA 2009-097. CNMNC Newsletter, April 2010, page 376; Mineralogical Magazine, 74, 375-377.

Bonaccorsi, E. and Orlandi, P. - Tancaite-(Ce), a new molybdate from Italy. 20th General Meeting of the IMA (IMA2010), Budapest, Hungary, August 21-27, CD of Abstracts, (2010) p. 494.

Other languages

German

Tancait-(Ce)

English

Tancaite-(Ce)

CNMNC (IMA)-Number

IMA 2009-097

CNMNC symbol

Symbol

Tca-Ce

Locations with GPS information

IDs

GUSID (Global unique identifier short form) TElNTMQVMUSDmaXowtSMEg
GUID (Global unique identifier) 4C4D494C-15C4-4431-8399-A5E8C2D48C12
Database ID 6892