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Clinocervantite

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Formula:
Sb3+Sb5+O4
System:
Monoclinic
Lustre:
Vitreous
Name:
The name reflects its symmetry and relationship to cervantite.
Dimorph of:
Isostructural with:
The Sb3+ analogue of kyawthuite.

Natural analogue of synthetic β-Sb2O4.


Note on the type locality: The type specimen described by Basso et al. (1999) was reported to come from the Cetine di Cotorniano mine, but was later recognised as coming from a slag at Tafone (Grosseto) (Ciriotti et al., 2009; Menchetti & Batoni, 2017).


Classification of Clinocervantite

Approved
4.DE.30

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
E : With medium-sized cations; with various polyhedra

Physical Properties of Clinocervantite

Vitreous

Optical Data of Clinocervantite

Type:
Biaxial
RI values:
nα = 1.720 nγ = 2.100
Max Birefringence:
δ = 0.380
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v moderate

Chemical Properties of Clinocervantite

Formula:
Sb3+Sb5+O4
Elements listed in formula:

Crystallography of Clinocervantite

Crystal System:
Monoclinic
X-Ray Powder Diffraction Data:
d-spacingIntensity
3.244 (vs)
2.920 (m)
2.877 (s)
1.619 (m)
(

Type Occurrence of Clinocervantite

Relationship of Clinocervantite to other Species

Other Members of Group:
BismutocolumbiteBi(Nb,Ta)O4
BismutotantaliteBi(Ta,Nb)O4
CervantiteSb3+Sb5+O4
StibiocolumbiteSb(Nb,Ta)O4
StibiotantaliteSb(Ta,Nb)O4
4.DE.05DowneyiteSeO2
4.DE.10KoragoiteMn22+Mn3+Nb2(Nb,Ta)3W2O20
4.DE.15KoechliniteBi2MoO6
4.DE.15RusselliteBi2WO6
4.DE.15TungstibiteSb2WO6
4.DE.20TelluriteTeO2
4.DE.25ParatelluriteTeO2
4.DE.30BismutotantaliteBiTaO4
4.DE.30BismutocolumbiteBiNbO4
4.DE.30CervantiteSb3+Sb5+O4
4.DE.30StibiotantaliteSb3+TaO4
4.DE.30StibiocolumbiteSbNbO4
4.DE.35BaddeleyiteZrO2

Other Names for Clinocervantite

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 Clinocervantite

Reference List:
Amador, J., Gutierrez-Puebla, E., Monge, M.A., Rasines, I., Ruiz-Valero, C. (1988): Diantimony tetraoxides revisited. Inorganic Chemistry, 27, 1367-1370.

Basso, R., Lucchetti, G., Zefiro, L., and Palenzona, A. (1999): Clinocervantite, β-Sb2O4, the natural monoclinic polymorph of cervantite from the Cetine mine, Siena, Italy. European Journal of Mineralogy 11, 95-100.

Menchetti, S. & Batoni, M. (2017): Clinocervantite - Alle Cetine il primo ritrovamento su matrice naturale. Micro, 15, 96-103.

Internet Links for Clinocervantite

mindat.org URL:
https://www.mindat.org/min-6879.html
Please feel free to link to this page.

Localities for Clinocervantite

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.
Italy (TL)
 
  • Tuscany
    • Grosseto Province
      • Manciano
Ciriotti, M.E., Fascio, L., Pasero, M. (2009): Italian Type Minerals. PLUS - University of Pisa, Ed., Pisa, 357 pp.
    • Siena Province
      • Chiusdino
Palenzona A., Pierini G., Prandoni P. G., 1998. Una nuova specie dalle Cetine di Cotorniano, Siena: clinocervantite. Riv. Mineral. Ital., 22, 4: 55-56; Basso, R., Lucchetti, G., Zefiro, L., and Palenzona, A. (1999): Clinocervantite, β-Sb2O4, the natural monoclinic polymorph of cervantite from the Cetine mine, Siena, Italy. European Journal of Mineralogy 11, 95-100; Menchetti, S., Batoni, M., Batacchi, C., Borselli, G., Brogi, A., Ceccantini, L., Fassina, B., Marchesini, M., Rossellini, A. & Ruggieri, G. (2015): Le Cetine di Cotorniano. Miniera e minerali. Associazione Micro-Mineralogica Italiana, Cremona, 354 p.
Mineral and/or Locality  
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