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Zirsinalite Mineral Data |
General Zirsinalite Information |
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Na6(Ca,Mn,Fe++)Zr[Si6O18] | ||
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Molecular Weight = 733.35 gm | ||
Sodium 18.81 % Na 25.35 % Na2O | |||
Calcium 2.73 % Ca 3.82 % CaO | |||
Zirconium 12.44 % Zr 16.80 % ZrO2 | |||
Manganese 2.25 % Mn 2.90 % MnO | |||
Iron 1.52 % Fe 1.96 % FeO | |||
Silicon 22.98 % Si 49.16 % SiO2 | |||
Oxygen 39.27 % O | |||
______ ______ | |||
100.00 % 100.00 % = TOTAL OXIDE | |||
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Na6Ca0.5Mn2+0.3Fe2+0.2ZrSi6O18 | ||
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Alteration product of lomonosovite and barian lamprophyllite found in a drill core. | ||
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Approved IMA 1974 | ||
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Mt. Koashva, Khibiny massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. | ||
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Named for its composition (Zircon, Si, Na). | ||
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Zirsinalite + Pronunciation ![]() |
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ICSD 200800 | ||
PDF 27-670 | |||
Zirsinalite Image | |||
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Zirsinalite Crystallography |
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a:c = 1:1.27405 | ||
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a = 10.29, c = 13.11, Z = 3; V = 1,202.17 Den(Calc)= 3.04 | ||
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Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m | ||
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By Intensity(I/Io): 1.842(1), 2.637(0.9), 2.569(0.8), | ||
Physical Properties of Zirsinalite |
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None | ||
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Colorless, Pale yellow gray. | ||
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2.9 | ||
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Transparent | ||
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Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments. | ||
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5 - Apatite | ||
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Vitreous (Glassy) | ||
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white | ||
Optical Properties of Zirsinalite |
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CI meas= -0.03 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.017 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1998,KPDmeas= 0.2095,KC= 0.2033 Ncalc = 1.59 - 1.62 |
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Uniaxial (-), e=1.59-1.592, w=1.624, bire=0.0320-0.0340. | ||
Calculated Properties of Zirsinalite |
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Bulk Density (Electron Density)=2.96 gm/cc note: Specific Gravity of Zirsinalite =3.04 gm/cc. |
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Fermion Index = 0.02 Boson Index = 0.98 |
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PEZirsinalite = 18.99 barns/electron U=PEZirsinalite x rElectron Density= 56.17 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Zirsinalite is Not Radioactive |
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Zirsinalite Classification |
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61.01.02a.04 (61)Cyclosilicate Six-Membered Rings | ||
(61.01)with [Si6O18] rings; possible (OH) and Al substitution | |||
(61.01.02a)Lovozerite group (HEX and HEX-R subgroup) | |||
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09.CJ.15 09 - SILICATES (Germanates) | ||
09.C - Cyclosilicates | |||
09.CJ -[Si6O18]12- 6-membered single rings (sechser-Einfachringe), | |||
Other Zirsinalite Information |
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NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) | ||
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Links to other databases for Zirsinalite : 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 Search for Zirsinalite using: Visit our Advertisers for Zirsinalite : Ask about Zirsinalite here : Print or Cut-and-Paste your Zirsinalite Specimen Label here :
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