General Cronusite Information![]() Ca0.2(H2O)2CrS2 |
![]() Molecular Weight = 161.98 gm |
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Calcium 4.95 % Ca |
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Chromium 32.10 % Cr |
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Hydrogen 2.61 % H |
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Sulfur 39.59 % S |
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Oxygen 20.74 % O |
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100.00 % |
![]() Ca0.2(H2O)2.1CrS2 |
![]() Derived from the weathering of caswellsilverite and disseminated in enstatite. Close to schöllhornite. |
![]() Approved IMA 2002 (Dana # Added) |
![]() Norton County enstatite achondrite meteorite, Kansas, USA. Link to MinDat.org Location Data. |
![]() Name derived from the Greek Titan "Cronos" and alludes to the combined meteor-terrestrial origin where cronusite is derived from terretrial weathering of meteoric minerals. |
![]() IMA1999-018 |
| | Cronusite Image
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Cronusite Crystallography![]() a:c = 1:10.00901 |
![]() a = 3.326, c = 33.29, Z = 3; V = 318.93 Den(Calc)= 2.53 |
![]() TrigonalSpace Group: Rm, R 3m or R 32 |
![]() By Intensity(I/Io): 11.1(1)(003), 2.719(0.5)(104), 2.18(0.49)(1.1.10),2.464(0.4)(107), 3.7(0.4)(009), 5.56(0.1)(006), |
| Physical Properties of Cronusite![]() {001} Perfect |
![]() Coal black. |
![]() 2.51 |
![]() Opaque |
![]() Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite). |
![]() Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
![]() Inclusions - Generally found as inclusions in other minerals. |
![]() 1.5 - Between Talc and Gypsum |
![]() Sub Metallic |
![]() black |
| Optical Properties of Cronusite![]() Strong. |
![]() Strong. |
![]() Gray with no internal reflections. |
![]() In gray polarization colors. |
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| Calculated Properties of Cronusite![]() Bulk Density (Electron Density)=2.53 gm/cc |
note: Specific Gravity of Cronusite =2.53 gm/cc. ![]() Fermion Index = 0.03 |
Boson Index = 0.97 ![]() PECronusite = 9.72 barns/electron |
U=PECronusite x rElectron Density= 24.59 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Cronusite is Not Radioactive | Cronusite Classification![]() 02.09.17.03 (02)Sulfides - Including Selenides and Tellurides |
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(02.09)where Am Bn Xp, with (m+n):p=1:1 |
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(02.09.17)Caswellsilverite Group |
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![]() 02.FB.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.FB -With Alkalies (without Cl, etc.) |
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| Other Cronusite Information![]() NAME( AmMin, Vol 87, p 1510) PHYS. PROP.(AmMin, Vol 87, p 1510) OPTIC PROP.(AmMin, Vol 87, p 1510) |
![]() Links to other databases for Cronusite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (MinSocAm) 7 - Handbook of Mineralogy (UofA) 8 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Cronusite using: Visit our Advertisers for Cronusite : A Bijoux Google Search for CronusiteAdam's Minerals Google Search for Cronusite Cape Minerals Google Search for Cronusite Dakota Matrix Minerals Google Search for Cronusite Excalibur Mineral Corp. Google Search for Cronusite Exceptional Minerals Google Search for Cronusite John Betts Fine Minerals Search for Cronusite McDougall Minerals Google Search for Cronusite Mineral News Website Link Rock and Mineral Shows Google Search for Cronusite Weinrich Minerals, Inc. Google Search for Cronusite Ask about Cronusite here : Print or Cut-and-Paste your Cronusite Specimen Label here :
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