Mineralogy Database

Liebenbergite Mineral Data

Search Webmineral :
  
Advertisment

General Liebenbergite Information

Help on Chemical  Formula: Chemical Formula: (Ni,Mg)2SiO4
Help on Composition: Composition: Molecular Weight = 192.27 gm
   Magnesium   6.32 %  Mg   10.48 % MgO
   Silicon    14.61 %  Si   31.25 % SiO2
   Nickel     45.79 %  Ni   58.27 % NiO
   Oxygen     33.29 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ni1.5Mg0.5SiO4
Help on Environment: Environment: In a small tabular nickel deposit at the contact between quartzite and serpentinized ultramafics; it appears to have formed at �730 �C and < 2 kbar during thermal metamorphism, poss ibly of a nickel-rich meteorite.
Help on IMA Status: IMA Status: Approved IMA 1973
Help on Locality: Locality: From three km west of the Scotia Talc mine, Bon Accord, Barberton, Transvaal, South Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for W.R. Liebenberg, Deputy Director-General of the National Institute for Metallurgy of South Africa.
Help on Name Pronunciation: Name Pronunciation: Liebenbergite + Pronunciation Say LIEBENBERGITE
Help on Synonym: Synonym: ICSD 100865
  PDF 15-388
 

Liebenbergite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.4669:1:0.5839
Help on Cell Dimensions: Cell Dimensions: a = 4.725, b = 10.118, c = 5.908, Z = 4; V = 282.45 Den(Calc)= 4.52
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.43(1), 3.469(0.9), 2.744(0.85),
 

Physical Properties of Liebenbergite

Help on Color: Color: Yellow green.
Help on Density: Density: 4.6
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white
 

Optical Properties of Liebenbergite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.015 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1889,KPDmeas= 0.1857,KC= 0.1885
Ncalc = 1.85 - 1.87
Help on Optical Data: Optical Data: Biaxial (-), a=1.82, b=1.854, g=1.888, bire=0.0680, 2V(Calc)=88, 2V(Meas)=80.
 

Calculated Properties of Liebenbergite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.42 gm/cc
note: Specific Gravity of Liebenbergite =4.52 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PELiebenbergite = 18.88 barns/electron
U=PELiebenbergite x rElectron Density= 83.43 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Liebenbergite is Not Radioactive
 

Liebenbergite Classification

Help on  Dana Class: Dana Class: 51.03.01.03 (51)Nesosilicate Insular SiO4 Groups Only
  (51.03)with all cations in octahedral [6] coordination
  (51.03.01)Olivine group
 
51.03.01.00 Olivine* (Mg,Fe)2SiO4 Pbnm 2/m 2/m 2/m
 
51.03.01.01 Fayalite Fe2SiO4 Pbnm 2/m 2/m 2/m
 
51.03.01.02 Forsterite Mg2SiO4 Pbnm 2/m 2/m 2/m
 
51.03.01.03 Liebenbergite (Ni,Mg)2SiO4 Pbnm 2/m 2/m 2/m
 
51.03.01.04 Tephroite Mn2SiO4 P nma 2/m 2/m 2/m
 
51.03.01.05 Laihunite FeFe2(SiO4)2 P 21/b 2/m
Help on  Strunz Class: Strunz Class: 09.AC.05 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AC -Nesosilicates without additional anions;
 
09.AC.05 Forsterite Mg2SiO4 Pbnm 2/m 2/m 2/m
 
09.AC.05 Glaucochroite CaMnSiO4 Pbnm 2/m 2/m 2/m
 
09.AC.05 Fayalite Fe2SiO4 Pbnm 2/m 2/m 2/m
 
09.AC.05 Olivine* (Mg,Fe)2SiO4 Pbnm 2/m 2/m 2/m
 
09.AC.05 Kirschsteinite CaFeSiO4 Pbmn 2/m 2/m 2/m
 
09.AC.05 Laihunite FeFe2(SiO4)2 P 21/b 2/m
 
09.AC.05 Liebenbergite (Ni,Mg)2SiO4 Pbnm 2/m 2/m 2/m
 
09.AC.05 Tephroite Mn2SiO4 P nma 2/m 2/m 2/m
 

Other Liebenbergite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Liebenbergite :
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
15 - University of Colorado - Mineral Structure Data
16 - WWW-MINCRYST

Search for Liebenbergite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Liebenbergite :

Ask about Liebenbergite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaol

Print or Cut-and-Paste your Liebenbergite Specimen Label here :

Liebenbergite

(Ni,Mg)2SiO4
Dana No: 51.03.01.03 Strunz No: 09.AC.05
Locality:

 

Notes:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.