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Nosean Mineral Data |
General Nosean Information |
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Na8Al6Si6O24(SO4) | ||
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Molecular Weight = 1,012.38 gm | ||
Sodium 18.17 % Na 24.49 % Na2O | |||
Aluminum 15.99 % Al 30.21 % Al2O3 | |||
Silicon 16.65 % Si 35.61 % SiO2 | |||
Hydrogen 0.20 % H 1.78 % H2O | |||
Sulfur 3.17 % S 7.91 % SO3 | |||
Oxygen 45.83 % O | |||
______ ______ | |||
100.00 % 100.00 % = TOTAL OXIDE | |||
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Na8Al6Si6O24(SO4)•(H2O) | ||
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Igneous rocks low in silica and rich in alkalis. | ||
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Valid Species (Pre-IMA) 1815 | ||
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Laacher See in the Eifel district of Rhineland. Link to MinDat.org Location Data. | ||
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Named after the German mineralogist, K. W. Nose (1753-1835). | ||
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Nosean ![]() |
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ICSD 203102 | ||
Noselite | |||
PDF 17-538 | |||
Nosean Image | |||
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Nosean Crystallography |
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a = 8.85, Z = 1; V = 693.15 Den(Calc)= 2.43 | ||
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Isometric - Hextetrahedral H-M Symbol (4 3m) Space Group: P 43m | ||
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By Intensity(I/Io): 3.71(1), 2.628(0.75), 6.45(0.7), | ||
Physical Properties of Nosean |
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{110} Perfect | ||
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White, Gray, Blue, Green, Brown. | ||
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2.3 - 2.4, Average = 2.34 | ||
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Transparent to Translucent | ||
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Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). | ||
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Massive - Granular - Common texture observed in granite and other igneous rock. | ||
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5.5-6 - Knife Blade-Orthoclase | ||
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Non-Fluorescent. | ||
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Vitreous - Greasy | ||
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bluish white | ||
Optical Properties of Nosean |
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CI meas= -0.021 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2006,KPDmeas= 0.2074,KC= 0.2032 Ncalc = 1.47 - 1.49 |
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Isotropic, n=1.48-1.495. | ||
Calculated Properties of Nosean |
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Bulk Density (Electron Density)=2.40 gm/cc note: Specific Gravity of Nosean =2.43 gm/cc. |
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Fermion Index = 0.0082311248 Boson Index = 0.9917688752 |
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PENosean = 1.59 barns/electron U=PENosean x rElectron Density= 3.81 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Nosean is Not Radioactive |
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Nosean Classification |
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76.02.03.02 (76)Tectosilicate Al-Si Framework | ||
(76.02)Feldspathoids and related species | |||
(76.02.03)Sodalite group | |||
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09.FB.10 09 - SILICATES (Germanates) | ||
09.F - Tektosilicates without Zeolitic H2O | |||
09.FB -Tektosilicates with additional anions | |||
Other Nosean Information |
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NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) | ||
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Links to other databases for Nosean : 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 13 - UCLA - Petrography Thin-Sections 14 - WWW-MINCRYST Search for Nosean using: Visit our Advertisers for Nosean : Ask about Nosean here : Print or Cut-and-Paste your Nosean Specimen Label here :
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