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Lingunite Mineral Data |
General Lingunite Information |
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(Na,Ca)AlSi3O8 | ||
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Molecular Weight = 270.77 gm | ||
Sodium 4.25 % Na 5.72 % Na2O | |||
Calcium 7.40 % Ca 10.36 % CaO | |||
Aluminum 9.96 % Al 18.83 % Al2O3 | |||
Silicon 31.12 % Si 66.57 % SiO2 | |||
Oxygen 47.27 % O | |||
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100.00 % 101.48 % = TOTAL OXIDE | |||
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Na0.5Ca0.5AlSi3O8 | ||
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Intimately intergrown with feldspathic glass in shock-induced melt veins. Feldspar group high-pressure polymorph of plagioclase believed present below 400 km in the earth. | ||
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Approved IMA 2004 (Dana # Added) | ||
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Sixiangkou L6 chondrite. Link to MinDat.org Location Data. | ||
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Named for Liu Lin-gun (1942-), Chinese mineralogist at the National Taiwan University who first synthesised the mineral. | ||
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IMA2004-054 | ||
NaAlSi3O8-hollandite | |||
Lingunite Image | |||
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Lingunite Crystallography |
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a:c = 1:0.29212 | ||
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a = 9.263, c = 2.706, Z = 2; V = 232.18 Den(Calc)= 3.87 | ||
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Tetragonal - Dipyramidal H-M Symbol (4/m) Space Group: I 4/m | ||
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By Intensity(I/Io): 2.931(1), 2.032(0.85), 6.55(0.66),4.63(0.6), 1.45(0.42), 1.737(0.37), 2.265(0.35), 1.543(0.33), | ||
Physical Properties of Lingunite |
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White. | ||
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Transparent | ||
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Inclusions - Generally found as inclusions in other minerals. | ||
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Microscopic Crystals - Crystals visible only with microscopes. | ||
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Vitreous (Glassy) | ||
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white | ||
Optical Properties of Lingunite |
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NCalc= 1.81 - from Gladstone-Dale relationship (KC = 0.2101) where Ncalc=Dcalc*KC+1 |
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Calculated Properties of Lingunite |
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Bulk Density (Electron Density)=3.84 gm/cc note: Specific Gravity of Lingunite =3.87 gm/cc. |
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Fermion Index = 0.01 Boson Index = 0.99 |
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PELingunite = 2.46 barns/electron U=PELingunite x rElectron Density= 9.45 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Lingunite is Not Radioactive |
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Lingunite Classification |
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76.01.09.01 (76)Tectosilicate Al-Si Framework | ||
(76.01)with Al-Si frameworks | |||
(76.01.09)Dana Group | |||
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09.FA.70 09 - SILICATES (Germanates) | ||
09.F - Tektosilicates without Zeolitic H2O | |||
09.FA -Tektosilicates without additional non-tetrahedral anions, (Al,B):Si = 1:1 | |||
Other Lingunite Information |
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NAME( Science, 287:1633) PHYS. PROP.(Science, 287:1633) | ||
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Links to other databases for Lingunite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Lingunite using: Visit our Advertisers for Lingunite : Ask about Lingunite here : Print or Cut-and-Paste your Lingunite Specimen Label here :
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