Clinocervantite Mineral Data

Clinocervantite Mineral Data
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General Clinocervantite Information

Help on Chemical Formula: Chemical Formula: Sb+++Sb+++++O4
Help on Composition: Composition: Molecular Weight = 307.50 gm
   Antimony  79.19 %  Sb   47.40 % Sb2O3 / 52.60 % Sb2O5
   Oxygen    20.81 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: SbSbO4
Help on Environment: Environment: Found in cavities in waste rock at the mine.
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: Cetine di Cotorniano mine, Siena, central Tuscany, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name reflects its symmetry and relationship to cervantite.
Help on Synonym: Synonym: ICSD 88619
  IMA1997-017
  PDF 51-1558
 

Clinocervantite Image

Click Here for Larger Clinocervantite Image in a New Browser Window Images:
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Clinocervantite

Comments: White crystals of Clinocervantite.
Location: Cetine di Cotorniano mine (Cetine mine), Rosia, Siena, Tuscany, Italy. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Clinocervantite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.4958:1:1.1142
Help on Cell Dimensions: Cell Dimensions: a = 12.06, b = 4.832, c = 5.384, Z = 4; beta = 104.6° V = 303.62 Den(Calc)= 6.73
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.244(1), 2.877(0.8), 2.92(0.5),
Click Here for Large Clinocervantite Structure Window Crystal Structure:

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Basso R , Lucchetti G , Zefiro L , Palenzona A , European Journal of Mineralogy , 11 (1999) p.95-100, Clinocervantite, B-Sb2O4, the natural monoclinic polymorph, of cervantite from the Cetine mine, Siena, Italy, Note: z-coordinate to O2 altered by communications with R Basso, April, 2003, Locality: Cetine mine, Siena, Italy

 

Physical Properties of Clinocervantite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Clinocervantite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.235 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1352,KC= 0.1767
Ncalc = 2.19
Help on Optical Data: Optical Data: Biaxial (?), a=1.72, g=2.1, bire=0.3800
 

Calculated Properties of Clinocervantite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.87 gm/cc
note: Specific Gravity of Clinocervantite =6.73 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0000998995
Boson Index = 0.9999001005
Help on Photoelectric: Photoelectric: PEClinocervantite = 267.22 barns/electron
U=PEClinocervantite x rElectron Density=1,567.36 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Clinocervantite is Not Radioactive
 

Clinocervantite Classification
Help on Dana Class: Dana Class: 04.04.16.02 (04)Simple Oxides
  (04.04)with a cation charge of 4+ (A++++ O2)
  (04.04.16)Dana Group
 
04.04.16.01 Cervantite SbSbO4 Pbn21 mm2
 
04.04.16.02 Clinocervantite! SbSbO4 C 2/c 2/m
Help on Strunz Class: Strunz Class: 04.DE.30 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DE -With medium-sized cations; with various polyhedra
 
04.DE.30 Cervantite SbSbO4 Pbn21 mm2
 
04.DE.30 Bismutotantalite Bi(Ta,Nb)O4 Pcmn 2/m 2/m 2/m
 
04.DE.30 Bismutocolumbite Bi(Nb,Ta)O4 Pcnn 2/m 2/m 2/m
 
04.DE.30 Clinocervantite! SbSbO4 C 2/c 2/m
 
04.DE.30 Stibiocolumbite SbNbO4 Pc21n mm2
 
04.DE.30 Stibiotantalite SbTaO4 Pc21n mm2
 

Other Clinocervantite Information
Help on References: References: NAME( CanMin 8/99) PHYS. PROP.(AmMin, V84, p1464) OPTIC PROP.(Eur. J. Min.,Vol.10,1998)
Help on See Also: See Also: Links to other databases for Clinocervantite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - Handbook of Mineralogy (UofA)
6 - MinDAT
7 - MinMax(Deutsch)
8 - MinMax(English)
9 - Mineralienatlas (Deutsch)
10 - QUT Mineral Atlas
11 - Ruff.Info

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Print or Cut-and-Paste your Clinocervantite Specimen Label here :

Clinocervantite

Sb+++Sb+++++O4
Dana No: 04.04.16.02 Strunz No: 04.DE.30
Locality:

 

Notes: