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Cesplumtantite

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Formula:
Cs2Pb3Ta8O24
System:
Tetragonal
Colour:
Colourless
Lustre:
Adamantine
Hardness:
7
Name:
From the chemical composition.
This page provides mineralogical data about Cesplumtantite.


Classification of Cesplumtantite

Approved
4.DM.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
M : With large (+- medium-sized) cations; unclassified
8.7.11.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
7 : Miscellaneous
18.1.30

18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U

Physical Properties of Cesplumtantite

Adamantine
Diaphaneity (Transparency):
Transparent
Colour:
Colourless
Streak:
White
Hardness (Mohs):
7
Hardness (Vickers):
VHN40=1240 kg/mm2
Cleavage:
None Observed
Density:
6.87(5) g/cm3 (Calculated)

Optical Data of Cesplumtantite

Type:
Uniaxial
Type:
Anisotropic
Anisotropism:
strong
Colour in reflected light:
grey

Chemical Properties of Cesplumtantite

IMA Formula:
Cs2Pb3Ta8O24
Elements listed in formula:

Crystallography of Cesplumtantite

Crystal System:
Tetragonal
Cell Parameters:
a = 13.552(8) Å, c = 6.445(5) Å
Ratio:
a:c = 1 : 0.476
Unit Cell Volume:
V 1,183.67 ų (Calculated from Unit Cell)
Z:
2
Twinning:
соmрlех polysynthetic twinning

Type Occurrence of Cesplumtantite

General Appearance of Type Material:
veinlets and elongated concretions measuring to 0.3 mm.
Place of Conservation of Type Material:
(Zaire, Мопопо, specimen 1;547/2 from the collection оf the museum of Mines at the Leningrad State University)
Geological Setting of Type Material:
granite

Relationship of Cesplumtantite to other Species

4.DM.05Rankamaite(Na,K,Pb)(Ta,Nb,Al)4(O,OH)10
4.DM.05SosedkoiteK5Al2Ta22O60
4.DM.20EyseliteFe3+Ge34+O7(OH)
4.DM.25KuranakhitePbMn4+Te6+O6
18.1.1LithiotantiteLiTa3O8
18.1.2LueshiteNaNbO3
18.1.3NatroniobiteNaNbO3
18.1.4FranconiteNaNb2O5(OH) · 3H2O
18.1.5NatrotantiteNa2Ta4O11
18.1.6IrtyshiteNa2Ta4O11
18.1.7Rankamaite(Na,K,Pb)(Ta,Nb,Al)4(O,OH)10
18.1.8Hydropyrochlore(H2O,◻)2Nb2(O,OH)6(H2O)
18.1.9CalciotantiteCaTa4O11
18.1.10RynersoniteCaTa2O6
18.1.11Microlite Group(Ca,Na)2Ta2(O,OH,F)7
18.1.12BelyankiniteCa1-2(Ti,Zr,Nb)5O12 · 9H2O
18.1.13LatrappiteCa2NbFe3+O6
18.1.14HochelagaiteCaNb4O11 · 8H2O
18.1.15Bariomicrolite (of Hogarth 1977)
18.1.16ParabariomicroliteBaTa4O10(OH)2 · 2H2O
18.1.17Bariopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
18.1.18AlumotantiteAlTaO4
18.1.19SimpsoniteAl4Ta3O13(OH)
18.1.20SosedkoiteK5Al2Ta22O60
18.1.21ThoreauliteSn2+Ta2O6
18.1.22Stannomicrolite (of Hogarth 1977)
18.1.23FoorditeSn2+Nb2O6
18.1.24ChangbaiitePbNb2O6
18.1.25Plumbopyrochlore (of Skorobogatova et al.)A2Nb2(O,OH)6Z
18.1.26Plumbomicrolite (of Hogarth 1977)
18.1.27StibiocolumbiteSbNbO4
18.1.28StibiotantaliteSb3+TaO4
18.1.29Natrobistantite
18.1.31Stibiomicrolite (of Groat et al.)
18.1.32Cesstibtantite
18.1.34BismutotantaliteBiTaO4
18.1.35Bismutomicrolite (of Hogarth 1977)
18.1.36Tantalite-(Mn)Mn2+Ta2O6
18.1.37GerasimovskiteMn2+(Ti,Nb)5O12 · 9H2O
18.1.38Tapiolite-(Mn)Mn2+Ta2O6
18.1.39Columbite-(Mn)Mn2+Nb2O6
18.1.40WodginiteMn2+Sn4+Ta2O8
18.1.41Ixiolite(Ta,Mn,Nb)O2
18.1.42Columbite-(Fe)Fe2+Nb2O6
18.1.43Tantalite-(Fe)Fe2+Ta2O6
18.1.44Columbite
18.1.45Tantalite(Mn,Fe)(Ta,Nb)2O6
18.1.46Tapiolite(Fe,Mn)(Ta,Nb)2O6
18.1.47Tapiolite-(Fe)Fe2+Ta2O6
18.1.48Columbite-(Mg)MgNb2O6
18.1.50Strüverite(Ti,Ta,Fe)O2
18.1.51 Staringite(Fe,Mn)x(Ta,Nb)2xSn6-3xO12

Other Names for Cesplumtantite

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Cesplumtantite

Reference List:
Jambor J L, Puziewicz J (1989) New mineral names. American Mineralogist 74, 500-505

Voloshin A V, Pakhomovskii Y A, Bakhchisaraitsev A Y, Devnina N N (1986) Cesplumtantite - A new cesium-lead tantalate from granitic pegmatites. Mineralogiceskij Zhurnal 8, 92-98

Internet Links for Cesplumtantite

mindat.org URL:
https://www.mindat.org/min-941.html
Please feel free to link to this page.

Localities for Cesplumtantite

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Democratic Republic of Congo (Zaïre) (TL)
 
  • Katanga (Shaba)
Mineralogicheskii Zhurnal 8/5 (1986), 92
Mineral and/or Locality  
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