General Natrodufrenite Information![]() Na(Fe+++,Fe++)(Fe+++,Al)5(PO4)4(OH)6•2(H2O) |
![]() Molecular Weight = 786.50 gm |
|
Sodium 1.75 % Na 2.36 % Na2O |
|
Aluminum 3.09 % Al 5.83 % Al2O3 |
|
Iron 34.44 % Fe 0.46 % FeO / 48.73 % Fe2O3 |
|
Phosphorus 14.97 % P 34.29 % P2O5 |
|
Hydrogen 1.20 % H 10.77 % H2O |
|
Oxygen 44.55 % O |
|
______ ______ |
|
100.00 % 102.44 % = TOTAL OXIDE |
![]() Na0.6Fe3+0.7Fe2+0.05Fe3+4.1Al0.9(PO4)3.8(OH)4(H2O)2.7 |
![]() Low-temperature secondary mineral. |
![]() Approved IMA 1982 |
![]() Rochefort-en-Terre, Morbihan, France. Link to MinDat.org Location Data. |
![]() Named for the essential sodium, (NATRium) and its relationship to dufrenite. |
![]() Natrodufrenite + Pronunciation |
![]() | | Natrodufrenite Image
|
![]()
|
Natrodufrenite Crystallography![]() a:b:c =5.0155:1:2.6644 |
![]() a = 25.83, b = 5.15, c = 13.722, Z = 4; beta = 111.533° V = 1,697.96 Den(Calc)= 3.08 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c |
![]() By Intensity(I/Io): 3.152(1), 3.4(0.8), 12.04(0.8), |
| Physical Properties of Natrodufrenite![]() Light blue green. |
![]() 3.23 |
![]() Translucent |
![]() Brittle - Generally displayed by glasses and most non-metallic minerals. |
![]() Fibrous - Crystals made up of fibers. |
![]() Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) |
![]() Spherical - Spherical, rounded aggregates. |
![]() 3.5-4.5 - Between Copper Penny and Fluorite-Apatite |
![]() Silky |
![]() green |
| Optical Properties of Natrodufrenite![]() CI meas= 0.123 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.08 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2485,KPDmeas= 0.237,KC= 0.2703 Ncalc = 1.83 - 1.87 ![]() Biaxial (?), a=1.756, g=1.775, bire=0.0190 |
![]() pale yellow. |
![]() dark green. |
| Calculated Properties of Natrodufrenite![]() Bulk Density (Electron Density)=3.02 gm/cc |
note: Specific Gravity of Natrodufrenite =3.08 gm/cc. ![]() Fermion Index = 0.0075166155 |
Boson Index = 0.9924833845 ![]() PENatrodufrenite = 11.07 barns/electron |
U=PENatrodufrenite x rElectron Density= 33.48 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Natrodufrenite is Not Radioactive | Natrodufrenite Classification![]() 42.09.01.03 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
|
(42.09)where (A)3 (XO4)2 Zq · x(H2O) |
|
(42.09.01)Burangaite Group |
|
|
|
|
|
![]() 08.DK.15 08 - PHOSPHATES, ARSENATES, VANADATES |
|
08.D - Phosphates, etc |
|
08.DK -With large and medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1 |
|
|
|
|
|
| Other Natrodufrenite Information![]() NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic4) |
![]() Links to other databases for Natrodufrenite : |
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 Search for Natrodufrenite using: Visit our Advertisers for Natrodufrenite : A Bijoux Google Search for NatrodufreniteAdam's Minerals Google Search for Natrodufrenite Cape Minerals Google Search for Natrodufrenite Dakota Matrix Minerals Google Search for Natrodufrenite Excalibur Mineral Corp. Google Search for Natrodufrenite Exceptional Minerals Google Search for Natrodufrenite John Betts Fine Minerals Search for Natrodufrenite McDougall Minerals Google Search for Natrodufrenite Mineral News Website Link Rock and Mineral Shows Google Search for Natrodufrenite Weinrich Minerals, Inc. Google Search for Natrodufrenite Ask about Natrodufrenite here : Print or Cut-and-Paste your Natrodufrenite Specimen Label here :
| |
|
| |