Clinocervantite
A valid IMA mineral species
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About Clinocervantite
Formula:
Sb3+Sb5+O4
Colour:
Colorless
Lustre:
Vitreous
Specific Gravity:
6.72 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
The name reflects its symmetry and relationship to cervantite.
Type Locality:
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).
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).
Unique Identifiers
Mindat ID:
6879
Long-form identifier:
mindat:1:1:6879:2
GUID
(UUID V4):
(UUID V4):
2cfefcaf-0f1e-4929-8ea3-2c340e290899
IMA Classification of Clinocervantite
Approved
First published:
1999
Classification of Clinocervantite
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
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
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Ccvn | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Clinocervantite
Vitreous
Transparency:
Transparent
Colour:
Colorless
Streak:
White
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
6.72 g/cm3 (Calculated)
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.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v moderate
Chemistry of Clinocervantite
Mindat Formula:
Sb3+Sb5+O4
Elements listed:
Crystallography of Clinocervantite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 12.061(1) Å, b = 4.836(1) Å, c = 5.383(1) Å
β = 104.60(4)°
β = 104.60(4)°
Ratio:
a:b:c = 2.494 : 1 : 1.113
Unit Cell V:
303.84 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Elongated along [001]. Dominant prism {110} combined with lesser {122} and {211} prisms.
Twinning:
Twinned with composition plane {100}
Crystal Structure
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2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0006763 | Clinocervantite | Basso R, Lucchetti G, Zefiro L, Palenzona A (1999) Clinocervantite, B-Sb2O4, the natural monoclinic polymorph of cervantite from the Cetine mine, Siena, Italy European Journal of Mineralogy 11 95-100 | 1999 | Cetine mine, Siena, Italy | 0 | 293 | |
| 0012698 | Clinocervantite | Amador J, Gutierrez-Puebla E, Monge M A, Rasines I, Ruiz-Valero C (1988) Diantimony tetraoxides revisited Inorganic Chemistry 27 1367-1370 | 1988 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 1.244 Å | (100) |
| 2.877 Å | (68) |
| 2.920 Å | (33) |
| 2.640 Å | (23) |
| 1.861 Å | (21) |
| 1.783 Å | (21) |
| 1.812 Å | (20) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] | |
| 47h : [Near-surface oxidized, dehydrated minerals] | |
| Stage 10b: Anthropogenic minerals | <10 Ka |
| 55 : Anthropogenic mine minerals |
Type Occurrence of Clinocervantite
General Appearance of Type Material:
Aggregates of prismatic crystals. The crystals do not exceed 0.2 mm.
Place of Conservation of Type Material:
Department of Earth Science, University of Genoa, Italy.
Associated Minerals at Type Locality:
Reference:
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.
Synonyms of Clinocervantite
Other Language Names for Clinocervantite
Relationship of Clinocervantite to other Species
Member of:
Other Members of this group:
| Bismutocolumbite | Bi(Nb,Ta)O4 | Orth. mmm (2/m 2/m 2/m) |
| Bismutotantalite | Bi(Ta,Nb)O4 | Orth. |
| Cervantite | Sb3+Sb5+O4 | Orth. mm2 |
| Stibiocolumbite | Sb(Nb,Ta)O4 | Orth. mm2 |
| Stibiotantalite | Sb(Ta,Nb)O4 | Orth. mm2 |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 4.DE. | Ziroite | ZrO2 |
| 4.DE. | Pertoldite | GeO2 |
| 4.DE. | Colchesterite | Bi3+2Mo6+2O9 |
| 4.DE.05 | Downeyite | SeO2 |
| 4.DE.10 | Koragoite | (Mn2+,Fe3+)3(Nb,Ta,Ti)2(Nb,Mn)2(W,Ta)2O20 |
| 4.DE.15 | Koechlinite | Bi2MoO6 |
| 4.DE.15 | Russellite | Bi2WO6 |
| 4.DE.15 | Tungstibite | Sb3+2WO6 |
| 4.DE.20 | Tellurite | TeO2 |
| 4.DE.25 | Paratellurite | TeO2 |
| 4.DE.30 | Bismutotantalite | Bi(Ta,Nb)O4 |
| 4.DE.30 | Bismutocolumbite | Bi(Nb,Ta)O4 |
| 4.DE.30 | Cervantite | Sb3+Sb5+O4 |
| 4.DE.30 | Stibiotantalite | Sb(Ta,Nb)O4 |
| 4.DE.30 | Stibiocolumbite | Sb(Nb,Ta)O4 |
| 4.DE.35 | Baddeleyite | ZrO2 |
| 4.DE.40 | Billwiseite | Sb3+5Nb3WO18 |
| 4.DE.45 | Kyawthuite | Bi3+Sb5+O4 |
Fluorescence of Clinocervantite
Does not fluoresce
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.
Internet Links for Clinocervantite
mindat.org URL:
https://www.mindat.org/min-6879.html
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References for Clinocervantite
Localities for Clinocervantite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Greece | |
| Rieck et al. (2020) |
| Rieck et al. (2020) |
Italy (TL) | |
| Ciriotti et al. (2009) |
| Palenzona A. +3 other references |
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Tafone Mine, Manciano, Grosseto Province, Tuscany, Italy