[On-Line Catalogue] [On-Line Auctions] [eBay] [Contact Us] [Policies] We specialize in fine European and Asian Mineral Specimens Heliodor is based in Prague, Czech Republic General Norbergite InformationMg3(SiO4)(F,OH)2 |
Molecular Weight = 202.00 gm |
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Magnesium 36.10 % Mg 59.86 % MgO |
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Silicon 13.90 % Si 29.74 % SiO2 |
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Hydrogen 0.25 % H 2.23 % H2O |
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Oxygen 35.64 % O |
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Fluorine 14.11 % F 14.11 % F |
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- %
F -5.94 % -O=F2 |
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100.00 % 100.00 % = TOTAL OXIDE |
Mg3(SiO4)F1.5(OH)0.5 |
Valid Species (Pre-IMA) 1926 |
Ostanmosoa iron mine, Norberg, Vastmanland, Sweden. Link to MinDat.org Location Data. |
Named after its locality. |
Norbergite + Pronunciation |
ICSD 15203 |
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PDF 11-686 |
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Norbergite Crystallographya:b:c =1.8553:1:2.1702 |
a = 8.72, b = 4.7, c = 10.2, Z = 4; V = 418.04 Den(Calc)= 3.21 |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P nma |
By Intensity(I/Io): 3.058(1), 2.23(0.8), 2.639(0.75), |
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Mouse
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| Physical Properties of Norbergite{???} Distinct |
White, Yellow, Brown, Red. |
3.1 - 3.2, Average = 3.15 |
Transparent to translucent |
Sub Conchoidal - Fractures developed in brittle materials characterized by semi-curving surfaces. |
6-6.5 - Orthoclase-Pyrite |
Fluorescent, Short UV=bright yellow. |
Vitreous - Resinous |
white |
| Optical Properties of NorbergiteCI meas= 0.07 (Fair) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.088 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1786,KPDmeas= 0.182,KC= 0.1958 Ncalc = 1.61 - 1.63 Biaxial (+), a=1.563, b=1.567, g=1.59, bire=0.0270 |
| Calculated Properties of NorbergiteBulk Density (Electron Density)=3.12 gm/cc |
note: Specific Gravity of Norbergite =3.15 gm/cc. Fermion Index = 0.04 |
Boson Index = 0.96 PENorbergite = 1.41 barns/electron |
U=PENorbergite x rElectron Density= 4.40 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Norbergite is Not Radioactive | Norbergite Classification52.03.02a.01 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O |
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(52.03)with cations in [6] coordination only |
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(52.03.02a)Humite group |
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09.AF.40 09 - SILICATES (Germanates) |
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09.A - Nesosilicates |
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09.AF -Nesosilicates with additional anions; |
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| Other Norbergite InformationPHYS. PROP.(Enc. of Minerals,2nd ed.,1990;Dana8) OPTIC PROP.(Ford32) |
Links to other databases for Norbergite : |
1 - Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Athena 4 - EUROmin Project 5 - Ecole des Mines de Paris 6 - Franklin Minerals(Dunn) 7 - Franklin Minerals(Palache) 8 - Google Images 9 - Google Scholar 10 - Handbook of Mineralogy (MinSocAm) 11 - Handbook of Mineralogy (UofA) 12 - MinDAT 13 - MinMax(Deutsch) 14 - MinMax(English) 15 - Mineralienatlas (Deutsch) 16 - QUT Mineral Atlas 17 - Ruff.Info 18 - Scandinavian mineral gallery 19 - University of Colorado - Mineral Structure Data 20 - WWW-MINCRYST Search for Norbergite using: Visit our Advertisers for Norbergite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Norbergite Mineral Data : Ask about Norbergite here : Print or Cut-and-Paste your Norbergite Specimen Label here :
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