[On-Line Catalogue] [On-Line Auctions] [eBay] [Contact Us] [Policies] We specialize in fine European and Asian Mineral Specimens Heliodor is based in Prague, Czech Republic General Kermesite InformationSb2S2O |
Molecular Weight = 323.63 gm |
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Antimony 75.24 % Sb |
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Sulfur 19.82 % S |
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Oxygen 4.94 % O |
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100.00 % |
Sb2S2O |
A secondary mineral, as an alteration of stibnite, in antimony deposits |
Valid Species (Pre-IMA) 1843 |
Braunsdorf, near Freiberg, Saxony, Germany. Link to MinDat.org Location Data. |
Name from kermes, a name given from the Persian qurmizq, "crimson" in the older chemistry to red amorphous antimony trisulphide, often mixed with antimony trioxide. |
Kermesite + Pronunciation |
ICSD 68346 |
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PDF 44-1435 |
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Pyrantimonite |
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Red Antimony |
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Kermesite Crystallographya:b:c =2.6633:1:2.5184 |
a = 10.84, b = 4.07, c = 10.25, Z = 4; alpha = 90°, beta = 101.53°, gamma = 90° V = 443.09 Den(Calc)= 4.85 |
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 |
By Intensity(I/Io): 2.7(1), 5.3(1), 4.08(0.55), |
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Mouse
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| Physical Properties of Kermesite{100} Perfect |
Violet red, Cherry red, Red. |
4.5 - 4.6, Average = 4.55 |
Translucent to Opaque |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Acicular - Occurs as needle-like crystals. |
Fibrous - Crystals made up of fibers. |
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) |
1.5-2 - Talc-Gypsum |
Non-fluorescent. |
Adamantine |
Nonmagnetic |
brownish red |
| Optical Properties of KermesiteBiaxial (+), a=2.72, b=2.74, g=2.74, bire=0.0200 |
cherry red. |
cherry red. |
cherry red. |
Very strong to extreme. |
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| Calculated Properties of KermesiteBulk Density (Electron Density)=4.26 gm/cc |
note: Specific Gravity of Kermesite =4.85 gm/cc. Fermion Index = 0.0015099577 |
Boson Index = 0.9984900423 PEKermesite = 253.30 barns/electron |
U=PEKermesite x rElectron Density=1,078.08 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Kermesite is Not Radioactive | Kermesite Classification02.13.01.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.13)(Oxysulfides) |
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(02.13.01)Dana Group |
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02.FD.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O |
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02.FD -With O, OH, H2O |
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| Other Kermesite InformationNAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
Links to other databases for Kermesite : |
1 - Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Athena 4 - EUROmin Project 5 - Ecole des Mines de Paris 6 - Glendale Community College 7 - Google Images 8 - Google Scholar 9 - Handbook of Mineralogy (MinSocAm) 10 - HyperPhysics 11 - MinDAT 12 - MinMax(Deutsch) 13 - MinMax(English) 14 - Mineralienatlas (Deutsch) 15 - QUT Mineral Atlas 16 - Ruff.Info 17 - WWW-MINCRYST Search for Kermesite using: Visit our Advertisers for Kermesite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Kermesite Mineral Data : Ask about Kermesite here : Print or Cut-and-Paste your Kermesite Specimen Label here :
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