[Newest Minerals] [Equipment] [Analytical Services] [About Us] [Mineral Gallery] [eBay Store] See Also: [Diamond Crystals] [Mineral News] [Hudson Institute] [Minerals on CDROM] Rare Minerals, Meteorites, Equipment and Analytical Services Excalibur Mineral Company, World leaders in the supply of rare species Serving the scientific and collector communities since 1974 General Lipscombite Information(Fe++,Mn)Fe+++2(PO4)2(OH)2 |
Molecular Weight = 391.27 gm |
|
Manganese 3.51 % Mn 4.53 % MnO |
|
Iron 39.25 % Fe 13.77 % FeO / 40.81 % Fe2O3 |
|
Phosphorus 15.83 % P 36.28 % P2O5 |
|
Hydrogen 0.52 % H 4.60 % H2O |
|
Oxygen 40.89 % O |
|
______ ______ |
|
100.00 % 100.00 % = TOTAL OXIDE |
Fe2+0.75Mn2+0.25Fe3+2(PO4)2(OH)2 |
Hydrothermally altered phosphate zone of a complex granite pegmatite. |
Valid Species (Pre-IMA) 1953 |
Sapucaia pegmatite mine, about 50 km east-southeast of Governador Valadares, Minas Gerais, Brazil Link to MinDat.org Location Data. |
Named for William Nunn Lipscomb (1909- ), mineralogist, University of Minnesota, Minneapolis, Minnesota, USA, who determined the crystal structure of the synthetic compound. |
Lipscombite + Pronunciation |
ICSD 202937 |
|
PDF 45-1454 |
| | Lipscombite Image
|
|
Lipscombite Crystallographya:c = 1:1.80738 |
a = 7.31, c = 13.212, Z = 4; V = 706.00 Den(Calc)= 3.68 |
Tetragonal - TrapezohedralH-M Symbol (4 2 2) Space Group: P 41212 |
By Intensity(I/Io): 3.314(1), 3.206(0.6), 1.656(0.4), |
|
Mouse
|
| Physical Properties of LipscombiteGreen gray, Olive green, Black. |
3.66 |
Opaque |
| Optical Properties of LipscombiteNCalc= 1.9 - from Gladstone-Dale relationship (KC = 0.2454) where Ncalc=Dcalc*KC+1 |
NCalc= 1.9 - from Gladstone-Dale relationship (KC = 0.2454) where Ncalc=Dmeas*KC+1 | Calculated Properties of LipscombiteBulk Density (Electron Density)=3.57 gm/cc |
note: Specific Gravity of Lipscombite =3.68 gm/cc. Fermion Index = 0.0085183369 |
Boson Index = 0.9914816631 PELipscombite = 13.45 barns/electron |
U=PELipscombite x rElectron Density= 48.00 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Lipscombite is Not Radioactive | Lipscombite Classification41.10.02.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen |
|
(41.10)where (A++ B++)3 (XO4)2 Zq |
|
(41.10.02)Lipscombite Group |
|
|
08.BB.90 08 - PHOSPHATES, ARSENATES, VANADATES |
|
08.B - Phosphates, etc. with Additional Anions, without H2O |
|
08.BB -With only medium-sized cations, (OH, etc.):RO4 £ 1:1 |
|
|
|
| Other Lipscombite InformationNAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
Links to other databases for Lipscombite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Lipscombite using: Visit our Advertisers for Lipscombite : 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 Lipscombite Mineral Data : Ask about Lipscombite here : Print or Cut-and-Paste your Lipscombite Specimen Label here :
| |
|
| | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||