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Clinocervantite Mineral Data
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General Clinocervantite Information
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 Chemical Formula: |
Sb+++Sb+++++O4 |
| Composition: |
Molecular Weight = 307.50 gm |
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Antimony 79.19 % Sb 47.40 % Sb2O3 / 52.60 % Sb2O5 |
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Oxygen 20.81 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
SbSbO4 |
| Environment: |
Found in cavities in waste rock at the mine. |
| IMA Status: |
Approved IMA 1998 (Dana # Added) |
| Locality: |
Cetine di Cotorniano mine, Siena, central Tuscany, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
The name reflects its symmetry and relationship to cervantite. |
| Synonym: |
ICSD 88619 |
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IMA1997-017 |
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PDF 51-1558 |
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Clinocervantite Image |
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Images:
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Clinocervantite Crystallography
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| Axial Ratios: |
a:b:c =2.4958:1:1.1142 |
| Cell Dimensions: |
a = 12.06, b = 4.832, c = 5.384, Z = 4; beta = 104.6° V = 303.62 Den(Calc)= 6.73 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c |
| X Ray Diffraction: |
By Intensity(I/Io): 3.244(1), 2.877(0.8), 2.92(0.5), |
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Physical Properties of Clinocervantite
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| Cleavage: |
None |
| Color: |
Colorless. |
| Diaphaneity: |
Transparent |
| Fracture: |
Brittle - Uneven - Very brittle fracture producing uneven fragments. |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
| Luster: |
Vitreous (Glassy) |
| Streak: |
white |
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Optical Properties of Clinocervantite
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| Gladstone-Dale: |
CI calc= 0.235 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1352,KC= 0.1767
Ncalc = 2.19 |
| Optical Data: |
Biaxial (?), a=1.72, g=2.1, bire=0.3800 |
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Calculated Properties of Clinocervantite
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| Electron Density: |
Bulk Density (Electron Density)=5.87 gm/cc
note: Specific Gravity of Clinocervantite =6.73 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0000998995
Boson Index = 0.9999001005 |
| Photoelectric: |
PEClinocervantite = 267.22 barns/electron
U=PEClinocervantite x rElectron Density=1,567.36 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Clinocervantite is Not Radioactive |
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Clinocervantite Classification
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| Dana Class: |
04.04.16.02 (04)Simple Oxides |
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(04.04)with a cation charge of 4+ (A++++ O2) |
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(04.04.16)Dana Group |
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04.04.16.01 Cervantite SbSbO4 Pbn21 mm2 |
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04.04.16.02 Clinocervantite! SbSbO4 C 2/c 2/m |
| Strunz Class: |
04.DE.30 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.D - Metal:Oxygen = 1:2 and similar |
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04.DE -With medium-sized cations; with various polyhedra |
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04.DE.30 Cervantite SbSbO4 Pbn21 mm2 |
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04.DE.30 Bismutotantalite Bi(Ta,Nb)O4 Pcmn 2/m 2/m 2/m |
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04.DE.30 Bismutocolumbite Bi(Nb,Ta)O4 Pcnn 2/m 2/m 2/m |
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04.DE.30 Clinocervantite! SbSbO4 C 2/c 2/m |
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04.DE.30 Stibiocolumbite SbNbO4 Pc21n mm2 |
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04.DE.30 Stibiotantalite SbTaO4 Pc21n mm2 |
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Other Clinocervantite Information
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| References: |
NAME( CanMin 8/99) PHYS. PROP.(AmMin, V84, p1464) OPTIC PROP.(Eur. J. Min.,Vol.10,1998) |
| See Also: |
Links to other databases for Clinocervantite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info
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Print or Cut-and-Paste your Clinocervantite Specimen Label here :
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Clinocervantite
Sb+++Sb+++++O4
Dana No: 04.04.16.02 Strunz No: 04.DE.30
Locality:
Notes:
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