General Nordite-(La) Information![]() (Na,Mn)3(Sr,Ca)(La,Ce)(Zn,Mg)Si6O17 |
![]() Molecular Weight = 763.59 gm |
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Sodium 8.43 % Na 11.36 % Na2O |
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Strontium 5.74 % Sr 6.79 % SrO |
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Calcium 2.62 % Ca 3.67 % CaO |
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Lanthanum 9.10 % La 10.67 % La2O3 |
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Cerium 7.34 % Ce 8.60 % Ce2O3 |
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Magnesium 0.95 % Mg 1.58 % MgO |
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Manganese 2.88 % Mn 3.72 % MnO |
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Zinc 3.43 % Zn 4.26 % ZnO |
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Iron 2.19 % Fe 0.94 % FeO / 2.09 % Fe2O3 |
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Silicon 21.70 % Si 46.43 % SiO2 |
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Oxygen 35.62 % O |
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100.00 % 100.10 % = TOTAL OXIDE |
![]() Na2.8Mn2+0.2Sr0.5Ca0.5La0.5Ce0.4Zn0.4Mg0.3Mn2+0.2Fe2+0.1Si5.9Fe3+0.2O17 |
![]() Pegmatite in sodalite syenite in a differentiated alkalic massif. |
![]() Valid Species (Pre-IMA) 1941 |
![]() Near the Chinglusuai River, Lovozero Massif, Kola Pininuula, Russia. Link to MinDat.org Location Data. |
![]() Named after the word for north because of its northern origin in the Lovozero Massif. |
![]() Nordite-(La) |
![]() ![]() ICSD 15179 |
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PDF 41-584 |
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Nordite-(La) Crystallography![]() a:b:c =2.7807:1:3.8208 |
![]() a = 14.468, b = 5.203, c = 19.88, Z = 4; V = 1,496.51 Den(Calc)= 3.39 |
![]() Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pcca |
![]() By Intensity(I/Io): 2.86(1), 2.95(1), 1.764(0.8), |
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| Physical Properties of Nordite-(La)![]() {100} Good |
![]() Light brown, Dark brown, Blackish brown. |
![]() 3.43 - 3.48, Average = 3.45 |
![]() Translucent |
![]() Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments. |
![]() Fibrous - Crystals made up of fibers. |
![]() Metamict - Mineral originally crystalline, now amorphous due to radiation damage. |
![]() Tabular - Form dimensions are thin in one direction. |
![]() 5-6 - Between Apatite and Orthoclase |
![]() Vitreous - Greasy |
![]() light brown |
| Optical Properties of Nordite-(La)![]() CI meas= 0.034 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.015 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1866,KPDmeas= 0.1831,KC= 0.1894 Ncalc = 1.64 - 1.66 ![]() Biaxial (-), a=1.619-1.62, b=1.63-1.64, g=1.642-1.644, bire=0.0230-0.0240, 2V(Calc)=46-90, 2V(Meas)=31-32. |
| Calculated Properties of Nordite-(La)![]() Bulk Density (Electron Density)=3.23 gm/cc |
note: Specific Gravity of Nordite-(La) =3.39 gm/cc. ![]() Fermion Index = 0.01 |
Boson Index = 0.99 ![]() PENordite-(La) = 87.52 barns/electron |
U=PENordite-(La) x relectron= 282.49 barns/cc. ![]() |
GRapi = 16,690.98 (Gamma Ray American Petroleum Institute Units)
Nordite-(La) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.
Weight of pure Nordite-(La) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.39 gm/cc.* | Nordite-(La) Classification![]() 72.05.02.03 (72)Phyllosilicate Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings |
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(72.05)with corrugated and complex layers |
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(72.05.02)Leucospenite and related species |
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![]() 09.DO.15 09 - SILICATES (Germanates) |
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09.D - Inosilicates* Structural terminology according to Liebau (1985) |
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09.DO -Inosilicates with 7-, 8-, 10-, 12- and 14-periodic chains |
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| Other Nordite-(La) Information![]() NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic2) |
![]() Links to other databases for Nordite-(La) : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - GeoScienceWorld 5 - Google Images 6 - Google Scholar 7 - MinDAT 8 - Mineralienatlas (Deutsch) 9 - Online Mineral Museum 10 - QUT Mineral Atlas 11 - Ruff.Info 12 - WWW-MINCRYST Search for Nordite-(La) using: Visit our Advertisers for Nordite-(La) : A Bijoux Google Search for Nordite-(La)Adam's Minerals Google Search for Nordite-(La) Cape Minerals Google Search for Nordite-(La) Dakota Matrix Minerals Google Search for Nordite-(La) Excalibur Mineral Corp. Google Search for Nordite-(La) Exceptional Minerals Google Search for Nordite-(La) John Betts Fine Minerals Search for Nordite-(La) McDougall Minerals Google Search for Nordite-(La) Mineral News Website Link Rock and Mineral Shows Google Search for Nordite-(La) Weinrich Minerals, Inc. Google Search for Nordite-(La) Ask about Nordite-(La) here : Print or Cut-and-Paste your Nordite-(La) Specimen Label here :
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