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Cetineite Mineral Data

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General Cetineite Information

Help on Chemical  Formula: Chemical Formula: (K,Na)3+x(Sb2O3)3(Sb2S3)(OH)x•(2.8-x)(H2O)
Help on Composition: Composition: Molecular Weight = 726.98 gm
   Potassium   9.68 %  K
   Sodium      5.06 %  Na
   Antimony   60.29 %  Sb
   Hydrogen    0.73 %  H
   Sulfur     11.91 %  S
   Oxygen     12.32 %  O
             100.00 % 
Help on Empirical Formula: Empirical Formula: K1.8Na1.6(Sb2O3)0.9(Sb2S3)0.9(OH)0.5•2.4(H2O)
Help on Environment: Environment: From an antimony deposit in highly silicified evaporites, on ore which has been roasted, then long weathered.
Help on IMA Status: IMA Status: Approved IMA 1987
Help on Locality: Locality: In the Cetine mine, 20 km southwest of Siena, Tuscany, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: ICSD 202637
  PDF 40-1458

Cetineite Image

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  Cetineite   Valentinite

Comments: Orange-reddish acicular crystals of cetineite with white valentinite.
Location: Cetine di Cotorniano mine (Cetine mine), Rosia, Siena, Tuscany, Italy. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Cetineite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.39205
Help on Cell Dimensions: Cell Dimensions: a = 14.23, c = 5.579, Z = 2; V = 978.36 Den(Calc)= 2.47
Help on Crystal System: Crystal System: Hexagonal - Pyramidal H-M Symbol (6) Space Group: P 63
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.916(1), 12.41(0.8), 3(0.74),

Physical Properties of Cetineite

Help on Cleavage: Cleavage: {1000} Good
Help on Color: Color: Yellow orange, Orange red.
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Resinous
Help on Streak: Streak: orange

Optical Properties of Cetineite

Help on Dichroism (e): Dichroism (e): orange.
Help on Dichroism (w): Dichroism (w): slightly orange brown.
Help on Optical Data: Optical Data: Uniaxial (+), w=1.74.

Calculated Properties of Cetineite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.23 gm/cc
note: Specific Gravity of Cetineite =2.47 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0009650772
Boson Index = 0.9990349228
Help on Photoelectric: Photoelectric: PECetineite = 197.89 barns/electron
U=PECetineite x relectron= 442.02 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 126.30 (Gamma Ray American Petroleum Institute Units)
Concentration of Cetineite per GRapi unit = 0.79 (%)

Estimated Radioactivity from Cetineite - barely detectable


Cetineite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.13.03)Dana Group Cetineite (K,Na)3x(Sb2O3)3(Sb2S3)(OH)x•(2.8-x)(H2O) P 63 6 Ottensite! Na3(Sb2O3)3(SbS3)•3H2O P 63 6
Help on  Strunz Class: Strunz Class: 02.MA.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.M -
  02.MA -Oxysulfosalts of Alkalies and Alkali Earths
02.MA.05 Cetineite (K,Na)3x(Sb2O3)3(Sb2S3)(OH)x•(2.8-x)(H2O) P 63 6
02.MA.05 Ottensite! Na3(Sb2O3)3(SbS3)•3H2O P 63 6

Other Cetineite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Am.Min.,Vol.73,p398-404,1988) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Cetineite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 02.MA.05





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