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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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
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
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).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
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