https://www.mineral-bosse.de
https://www.mineraliengrosshandel.com
https://www.edelsteine-neuburg.de
https://www.mineralbox.biz
'._('einklappen').'
 

Cesstibtantite

Collectors Summary

Color farblos, grau
Streak color weiß
Hardness (Mohs) 6.5
Cleavages undeutlich
Crystal System kubisch, Fd3m

Additional information / Summary

Varietät der Pyrochlor-Supergruppe oder Hydroxykenomikrolith. Der ursprüngliche Typmaterial Cesstibtantit wurde zu einem anderen Mineralnamen "Hydroxykenomikrolith" übertragen.

Chemism

Chem­ical formula

(Cs,Na)SbTa4O12

Chem­ical com­po­si­tion

Antimon, Cäsium, Natrium, Tantal, Sauerstoff

Unit weight: 1142.97143155 u; Number of atoms in the formula: 18

Info

Empirical formula:

(Cs0.75Na0.25)SbTa4O12

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

16.80

12

66.67

15.9994300

191.9931600

Sodium

Na

0.50

0.25

1.39

22.9897702

5.7474426

Antimony

Sb

10.65

1

5.56

121.7601000

121.7601000

Caesium

Cs

8.72

0.75

4.17

132.9054520

99.6790890

Tantalum

Ta

63.33

4

22.22

180.9479100

723.7916400

Strunz 9th edi­tion incl. updates

4.DH.15

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
H: Mit großen (± mittelgroßen) [Kationen]; Lagen kantenverknüpfter Oktaeder
15:Pyrochlor-Gruppe

Dana 8th edi­tion

08.02.04.01

08: Multiple Oxides with Nb, Ta, and Ti
02: Multiple Oxides with Nb, Ta, and Ti where (A)2 (B2O6) (O,OH,F)
04: Pyrochlore Group (Cesstibtantite Subgroup; (Na,Cs)(Bi,Sb)(Ta,Nb)4O12

IMA sta­tus

diskreditiert - The Canadian Mineralogist Vol. 48, pp. 673-698 (2010)

Min­eral sta­tus

Varietät

Var­i­ety / poly­type of

Pyrochlore supergroup

Optical Properties

Color

farblos, grau

Streak color

weiß

Optical Data Luminescence

Color LW-UV (365nm)

 

orangegelb

Color SW-UV (254nm)

 

orangegelb

Most Common Acti­vator

(UO2)2+ (Uranyl-Ion) als Verunreinigungen

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

8

X-Ray Pow­der Diffrac­tion

3.17(90),
3.04(100),
1.860(100),
1.587(100),
1.370(90),
1.017(90),
1.012(100)

XRD chart Cesstibtantite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

6.5

Cleav­ages

undeutlich

Preface

Author (Name, Year)

Voloshin & Men'shikov & Pakhomovskiy & Polezhaeva &1981

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 110 (1981), 345

The Pyrochlore Supergroup of Minerals: Nomenclature; The Canadian Mineralogist Vol. 48, pp. 673-698 (2010)http://pubsites.uws.edu.au/ima-cnmnc/Atencio%20et%20al%20pyrochlore%20nomenclature.pdf

Clarification of status of species in the pyrochlore supergroup Mineralogical Magazine, February 2013, v. 77, p. 13-20, published online February 13, 2013 http://nrmima.nrm.se/MM%2077%281%29%20AG%20Christy.pdf

Other languages

German

Cesstibtantit

Spanish

Cesstibtantita

French

Cesstibtantite

English

Cesstibtantite

Russian

Цезстибтантит

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

German pages

DeWikiPedia - search for: Cesstibtantit
Google-Bilder-Suche - search for: Cesstibtantit
Mineralienatlas.de (Forum) - search for: Cesstibtantit

English pages

Mindat - search for: Cesstibtantite
Webmineral - search for:Cesstibtantite
Handbook-of-Mineralogy - search for: Cesstibtantite
RRUFF - Raman, XRD and other mineral data - search for: Cesstibtantite
RRUFF - References and PDF downloads - search for: Cesstibtantite
American-Mineralogist-Crystal-Structure-Database - search for: Cesstibtantite
Strahlen.org - search for: Cesstibtantite

Russian pages

Webmineral.ru - search for: Цезстибтантит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Cesstibtantit
Crystal-Treasure.com - search for: Cesstibtantit
Bosse - search for: Cesstibtantit
Edelsteine Neuburg - Gundolf Fischer - search for: Cesstibtantit

Locations with GPS information