[Newest Minerals] [Mineral Auctions] [Mineral Gallery] The Mineral Gallery's Exceptional Specimens and Mineral Hall of Fame Visa, PayPal, and Mastercard are Welcomed General Normandite InformationNaCa(Mn++,Fe++)(Ti,Nb,Zr)Si2O7(O,F)2 |
Molecular Weight = 385.62 gm |
|
Sodium 5.96 % Na 8.04 % Na2O |
|
Calcium 10.39 % Ca 14.54 % CaO |
|
Zirconium 2.37 % Zr 3.20 % ZrO2 |
|
Titanium 7.45 % Ti 12.43 % TiO2 |
|
Manganese 10.68 % Mn 13.80 % MnO |
|
Niobium 7.23 % Nb 10.34 % Nb2O5 |
|
Iron 3.62 % Fe 4.66 % FeO |
|
Silicon 14.57 % Si 31.16 % SiO2 |
|
Oxygen 35.27 % O |
|
Fluorine 2.46 % F 2.46 % F |
|
- %
F -1.04 % -O=F2 |
|
______ ______ |
|
100.00 % 99.59 % = TOTAL OXIDE |
NaCaMn2+0.75Fe2+0.25Ti0.6Nb0.3Zr0.1(Si2O7)O1.5F0.5 |
In miarolitic cavities in nepheline syenite. |
Approved IMA 1997 (Dana # Added) |
The Prudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Link to MinDat.org Location Data. |
For Mr. Charles Normand (1963-), of Montreal, who discovered the mineral. |
Normandite + Pronunciation |
ICSD 89860 |
|
IMA1990-021 |
|
PDF 51-1537 |
| | Normandite Image
|
|
Normandite Crystallographya:b:c =1.106:1:0.7205 |
a = 10.828, b = 9.79, c = 7.054, Z = 4; beta = 108.2° V = 710.36 Den(Calc)= 3.61 |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a |
By Intensity(I/Io): 2.859(1), 2.807(0.7), 3.234(0.3), |
|
Mouse
|
| Physical Properties of Normandite{100} Distinct, {001} Distinct |
Yellow, Orange brown, Orange. |
3.48 - 3.5, Average = 3.49 |
Transparent to translucent |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
Acicular - Occurs as needle-like crystals. |
Euhedral Crystals - Occurs as well-formed crystals showing good external form. |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
5-6 - Between Apatite and Orthoclase |
Non-fluorescent. |
Vitreous - Adamantine |
pale yellowish white |
| Optical Properties of NormanditeCI meas= 0.033 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.066 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2159,KPDmeas= 0.2233,KC= 0.231 Ncalc = 1.8 - 1.83 Biaxial (-), a=1.743, b=1.785, g=1.81, bire=0.0670, 2V(Calc)=72, 2V(Meas)=72 -84. Dispersion r > v moderate. |
pale yellow. |
yellow. |
brownish red or deep red. |
| Calculated Properties of NormanditeBulk Density (Electron Density)=3.37 gm/cc |
note: Specific Gravity of Normandite =3.49 gm/cc. Fermion Index = 0.02 |
Boson Index = 0.98 PENormandite = 20.77 barns/electron |
U=PENormandite x rElectron Density= 70.01 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Normandite is Not Radioactive | Normandite Classification56.02.06a.02 (56)Sorosilicate Si2O7 Groups and O, OH, F. and H2O |
|
(56.02)with cations in [4] and/or >[4] coordination |
|
(56.02.06a)Seidozerite - Lamprophyllite group |
|
|
|
09.BE.17 09 - SILICATES (Germanates) |
|
09.B - Sorosilicates |
|
09.BE -Si2O7 groups with additional anions; |
|
|
|
|
|
|
|
|
|
|
| Other Normandite InformationNAME( MinRec) PHYS. PROP.(Am.Min.,Vol.83,p655,1998) OPTIC PROP.(MinRec) |
Links to other databases for Normandite : |
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 - Am. Min. Crystal Structure Database 4 - Athena 5 - EUROmin Project 6 - Ecole des Mines de Paris 7 - Google Images 8 - Google Scholar 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Normandite using: Visit our Advertisers for Normandite : 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 Normandite Mineral Data : Ask about Normandite here : Print or Cut-and-Paste your Normandite Specimen Label here :
| |
|
| | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||