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Cetineite Mineral Data
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General Cetineite Information
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 Chemical Formula: |
(K,Na)3+x(Sb2O3)3(Sb2S3)(OH)x•(2.8-x)(H2O) |
| Composition: |
Molecular Weight = 726.98 gm |
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Potassium 9.68 % K |
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Sodium 5.06 % Na |
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Antimony 60.29 % Sb |
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Hydrogen 0.73 % H |
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Sulfur 11.91 % S |
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Oxygen 12.32 % O |
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______ |
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100.00 % |
| Empirical Formula: |
K1.8Na1.6(Sb2O3)0.9(Sb2S3)0.9(OH)0.5•2.4(H2O) |
| Environment: |
From an antimony deposit in highly silicified evaporites, on ore which has been roasted, then long weathered. |
| IMA Status: |
Approved IMA 1987 |
| Locality: |
In the Cetine mine, 20 km southwest of Siena, Tuscany, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Synonym: |
ICSD 202637 |
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PDF 40-1458 |
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Cetineite Image |
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Images:
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Cetineite Crystallography
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| Axial Ratios: |
a:c = 1:0.39205 |
| Cell Dimensions: |
a = 14.23, c = 5.579, Z = 2; V = 978.36 Den(Calc)= 2.47 |
| Crystal System: |
Hexagonal - Pyramidal H-M Symbol (6) Space Group: P 63 |
| X Ray Diffraction: |
By Intensity(I/Io): 2.916(1), 12.41(0.8), 3(0.74), |
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Physical Properties of Cetineite
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| Cleavage: |
{1000} Good |
| Color: |
Yellow orange, Orange red. |
| Diaphaneity: |
Transparent to Translucent |
| Habit: |
Acicular - Occurs as needle-like crystals. |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Resinous |
| Streak: |
orange |
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Optical Properties of Cetineite
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| Dichroism (e): |
orange. |
| Dichroism (w): |
slightly orange brown. |
| Optical Data: |
Uniaxial (+), w=1.74. |
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Calculated Properties of Cetineite
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| Electron Density: |
Bulk Density (Electron Density)=2.23 gm/cc
note: Specific Gravity of Cetineite =2.47 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0009650772
Boson Index = 0.9990349228 |
| Photoelectric: |
PECetineite = 197.89 barns/electron
U=PECetineite x relectron= 442.02 barns/cc.
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| Radioactivity: |
GRapi = 126.30 (Gamma Ray American Petroleum Institute Units)
Concentration of Cetineite per GRapi unit = 0.79 (%)
Estimated Radioactivity from Cetineite  - barely detectable
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Cetineite Classification
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| Dana Class: |
02.13.03.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.13)(Oxysulfides) |
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(02.13.03)Dana Group |
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02.13.03.01 Cetineite (K,Na)3x(Sb2O3)3(Sb2S3)(OH)x•(2.8-x)(H2O) P 63 6 |
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02.13.03.02 Ottensite! Na3(Sb2O3)3(SbS3)•3H2O P 63 6 |
| Strunz Class: |
02.MA.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.M - |
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02.MA -Oxysulfosalts of Alkalies and Alkali Earths |
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02.MA.05 Cetineite (K,Na)3x(Sb2O3)3(Sb2S3)(OH)x•(2.8-x)(H2O) P 63 6 |
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02.MA.05 Ottensite! Na3(Sb2O3)3(SbS3)•3H2O P 63 6 |
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Other Cetineite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Am.Min.,Vol.73,p398-404,1988) OPTIC PROP.(AntBidBlaNic1) |
| 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
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Cetineite Specimen Label here :
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Cetineite
(K,Na)3+x(Sb2O3)3(Sb2S3)(OH)x•(2.8-x)(H2O)
Dana No: 02.13.03.01 Strunz No: 02.MA.05
Locality:
Notes:
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