Cesstibtantite Mineral Data

Advertisment

Our Mission is Simple: RMS will be the go-to portal for all mineral, gem and rock shows in the USA

Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.

Exceptional Minerals features excellent, high quality mineral specimens for sale. We also have a weekly Best Offer Mineral Auction.

General Cesstibtantite Information

Chemical Formula:

(Cs,Na)SbTa4O12

Composition:

Molecular Weight = 579.81 gm

Cesium 6.88 % Cs 7.29 % Cs₂O

Sodium 1.19 % Na 1.60 % Na₂O

Tantalum 59.30 % Ta 72.40 % Ta₂O₅

Niobium 1.60 % Nb 2.29 % Nb₂O₅

Antimony 12.60 % Sb 15.08 % Sb₂O₃

Hydrogen 0.12 % H 1.09 % H₂O

Oxygen 17.66 % O

Fluorine 0.66 % F 0.66 % F

- % F -0.28 % -O=F₂

______ ______

100.00 % 100.14 % = TOTAL OXIDE

Empirical Formula:

Cs_0.3(OH)_0.7Sb_0.6Na_0.3Ta_1.9Nb_0.1O_5.7F_0.2

Environment:

Highly fractionated granite pegmatites.

IMA Status:

Approved IMA 1982

Locality:

Leshaia pegmatite, Vuoriyarvi carbonatite complex, Kola Peninsula, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for CESium, antimony (STIBium), and TANTalum in the composition.

Synonym:

ICSD 74283

PDF 35-672

Cesstibtantite Image

Images:

Cesstibtantite

Comments: Flesh-coloured simpsonite (blue scheelite-like UV luminescention) crystal partially replaced with grey cesstibtantite (orange UV luminescention)..
Location: Vasin-Myl'k Mt, Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Specimen size is 6x5x2 cm.
© Pavel M. Kartashov

Cesstibtantite Crystallography

Cell Dimensions:

a = 10.256, Z = 7; V = 1,078.78 Den(Calc)= 6.25

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F d3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 1.587(1), 1.84(1), 3.04(1),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Ercit T S , Cerny P , Hawthorne F C , Mineralogy and Petrology , 48 (1993) p.235-255, Cesstibtantite - a geologic introduction to the inverse pyrochlores, Locality: Leshaia pegmatite, Kola Peninsula, Russia, Sample: KO-1

View Additional jPOWD Structure files for Cesstibtantite
[1]

Physical Properties of Cesstibtantite

Cleavage:

None

Color:

Colorless, Gray, Yellow orange, Black.

Density:

6.4 - 6.6, Average = 6.5

Diaphaneity:

Transparent to Opaque

Fracture:

Brittle - Uneven - Very brittle fracture producing uneven fragments.

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Hardness:

6.5 - Pyrite

Luminescence:

Fluorescent and cathodoluminescent, Long UV=yellow orange.

Luster:

Vitreous - Adamantine

Streak:

white

Optical Properties of Cesstibtantite

Gladstone-Dale:

CI meas= 0.239 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.209 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.128,KPDmeas= 0.1231,KC= 0.1618
Ncalc = 2.01 - 2.07

Optical Data:

Isotropic, n=1.8.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Cesstibtantite in Air**
λ	R	∑ R(λ)
480 nm	13.80
551 nm	13.60
589 nm	13.60
656 nm	13.00

**Calculated Relative Intensity Colors of Cesstibtantite in Air**
Relative Intensity	0%	70%	100%	140%	210%	280%	350%	420%	490%	560%	630%	660%
R

Calculated Properties of Cesstibtantite

Electron Density:

Bulk Density (Electron Density)=5.32 gm/cc
note: Specific Gravity of Cesstibtantite =6.25 gm/cc.

Fermion Index:

Fermion Index = 0.0001561061
Boson Index = 0.9998438939

Photoelectric:

PE_{Cesstibtantite}= 793.94 barns/electron
U=PE_{Cesstibtantite} x rElectron Density=4,226.01 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cesstibtantite is Not Radioactive

Cesstibtantite Classification

Dana Class:

08.02.04.01 (08)Multiple Oxides with Nb, Ta, and Ti

(08.02)where (A)2 (B2O6) (O,OH,F)

(08.02.04)Pyrochlore Group (Cesstibtantite Subgroup; (Na,Cs)(Bi,Sb)(Ta,Nb)4O12

08.02.04.01 Cesstibtantite (Cs,Na)SbTa4O12 F d3m 4/m 3 2/m

08.02.04.02 Natrobistantite (Na,Cs)Bi(Ta,Nb,Sb)4O12 F d3m 4/m 3 2/m

Strunz Class:

04.DH.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.D - Metal:Oxygen = 1:2 and similar

04.DH -With large (± medium-sized) cations; sheets of edge-sharing octahedra

04.DH.15 Alumotungstite (W,Al)(O,OH)3(?) Unk Cubic

04.DH.15 Betafite (Ca,U)2(Ti,Nb,Ta)2O6(OH) F d3m 4/m 3 2/m

04.DH.15 Ferritungstite (K,Ca,Na)(W,Fe)2(O,OH)6•(H2O) F d3m 4/m 3 2/m

04.DH.15 Cesstibtantite (Cs,Na)SbTa4O12 F d3m 4/m 3 2/m

04.DH.15 Bismutomicrolite (Bi,Ca)(Ta,Nb)2O6(OH) F d3m 4/m 3 2/m

04.DH.15 Ceriopyrochlore-(Ce) (Ce,Ca,Y)2(Nb,Ta)2O6(OH,F) F d3m 4/m 3 2/m

04.DH.15 Bariopyrochlore (Ba,Sr)(Nb,Ti)2(O,OH)7 F d3m 4/m 3 2/m

04.DH.15 Bariomicrolite Ba(Ta,Nb)2(O,OH)7 F d3m 4/m 3 2/m

04.DH.15 Calciobetafite Ca2(Ti,Nb)2(O,OH)7 F d3m 4/m 3 2/m

04.DH.15 Jixianite Pb(W,Fe)2(O,OH)7 F d3m 4/m 3 2/m

04.DH.15 Plumbomicrolite (Pb,Ca,U)2Ta2O6(OH) F d3m 4/m 3 2/m

04.DH.15 Kalipyrochlore (H2O,Sr)(Nb,Ti)(O,OH)6•(H2O,K) F d3m 4/m 3 2/m

04.DH.15 Plumbopyrochlore (Pb,Y,U,Ca)2-xNb2O6(OH) F d3m 4/m 3 2/m

04.DH.15 Strontiopyrochlore* Sr2Nb2(O,OH)7 F d3m 4/m 3 2/m

04.DH.15 Uranmicrolite (U,Ca)2(Ta,Nb)2O6(OH) F d3m 4/m 3 2/m

04.DH.15 Pyrochlore (Na,Ca)2Nb2O6(OH,F) F d3m 4/m 3 2/m

04.DH.15 Microlite (Na,Ca)2Ta2O6(O,OH,F) F d3m 4/m 3 2/m

04.DH.15 Natrobistantite (Na,Cs)Bi(Ta,Nb,Sb)4O12 F d3m 4/m 3 2/m

04.DH.15 Plumbobetafite (Pb,U,Ca)(Ti,Nb)2O6(OH,F) F d3m 4/m 3 2/m

04.DH.15 Stibiomicrolite (Sb,Ca,Na)2(Ta,Nb)2(O,OH)7 F d3m 4/m 3 2/m

04.DH.15 Stannomicrolite (Sn,Fe,Mn)(Ta,Nb,Sn)2(O,OH)7 F d3m 4/m 3 2/m

04.DH.15 Stibiobetafite (Sb,Ca)2(Ti,Nb,Ta)2(O,OH)7 F d3m 4/m 3 2/m

04.DH.15 Uranpyrochlore (U,Ca,Ce)2(Nb,Ta)2O6(OH,F) F d3m 4/m 3 2/m

04.DH.15 Bismutopyrochlore! (Bi,U,Ca,Pb)1x(Nb,Ta)2O6(OH)•n(H2O) F d3m 4/m 3 2/m

04.DH.15 Fluornatromicrolite! (Na,Ca,Bi)2Ta2O6F F d3m 4/m 3 2/m

04.DH.15 Yttrobetafite-(Y) (Y,U,Ce)2(Ti,Nb,Ta)2O6(OH) F d3m 4/m 3 2/m

04.DH.15 Yttropyrochlore-(Y) (Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7 F d3m 2/m 3

04.DH.15 Elsmoreite! WO3•0.5(H2O) F d3m 4/m 3 2/m

Other Cesstibtantite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(AntBidBlaNic3) OPTIC PROP.(AntBidBlaNic3)

See Also:

Links to other databases for Cesstibtantite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

Search for Cesstibtantite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Cesstibtantite :

A Bijoux Google Search for Cesstibtantite
Adam's Minerals Google Search for Cesstibtantite
Cape Minerals Google Search for Cesstibtantite
Dakota Matrix Minerals Google Search for Cesstibtantite
Excalibur Mineral Corp. Google Search for Cesstibtantite
Exceptional Minerals Google Search for Cesstibtantite
John Betts Fine Minerals Search for Cesstibtantite
McDougall Minerals Google Search for Cesstibtantite
Mineral News Website Link
Rock and Mineral Shows Google Search for Cesstibtantite
Weinrich Minerals, Inc. Google Search for Cesstibtantite

Ask about Cesstibtantite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Cesstibtantite Specimen Label here :

Cesstibtantite

(Cs,Na)SbTa4O12
Dana No: 08.02.04.01 Strunz No: 04.DH.15
Locality:

Notes: