Mineralogy Database

Diomignite Mineral Data

Search Webmineral :

General Diomignite Information

Help on Chemical  Formula: Chemical Formula: Li2B4O7
Help on Composition: Composition: Molecular Weight = 169.12 gm
   Lithium   8.21 %  Li   17.67 % Li2O
   Boron    25.57 %  B    82.33 % B2O3
   Oxygen   66.22 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Li2B4O7
Help on Environment: Environment: Abundant in fluid inclusions in spodumene crystallized from a late-stage hydrothermal fluid in a granite pegmatite.
Help on IMA Status: IMA Status: Approved IMA 1987
Help on Locality: Locality: Tanco pegmatite, Bernic Lake, Manitoba, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek meaning divine mix, in allusion to its likely pronounced fluxing effects.
Help on Name Pronunciation: Name Pronunciation: Diomignite + Pronunciation Say DIOMIGNITE
Help on Synonym: Synonym: ICSD 300010
  PDF 18-717

Diomignite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.08542
Help on Cell Dimensions: Cell Dimensions: a = 9.47, c = 10.279, Z = 8; V = 921.83 Den(Calc)= 2.44
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Pyramidal H-M Symbol (4mm) Space Group: I 41cd
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.07(1), 2.662(0.6), 3.495(0.5),

Physical Properties of Diomignite

Help on Color: Color: Colorless.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Streak: Streak: white

Optical Properties of Diomignite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.033 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2389,KC= 0.2313
Ncalc = 1.56
Help on Optical Data: Optical Data: Uniaxial (-), e=1.554, w=1.612, bire=0.0580.

Calculated Properties of Diomignite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.37 gm/cc
note: Specific Gravity of Diomignite =2.44 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEDiomignite = 0.33 barns/electron
U=PEDiomignite x rElectron Density= 0.77 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Diomignite is Not Radioactive

Diomignite Classification

Help on  Dana Class: Dana Class: (24)Borates - Anhydrous
  (24.05)with miscellaneous formulae
  (24.05.04)Dana Group Diomignite Li2B4O7 I 41cd 4mm
Help on  Strunz Class: Strunz Class: 06.DD.05 06 - BORATES
  06.D - Tetraborates
  06.DD -Tekto-tetraborates
06.DD.05 Diomignite Li2B4O7 I 41cd 4mm

Other Diomignite Information

Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(Am.Min.,Vol.73,p928,1988) OPTIC PROP.(Am.Min.,Vol.73,p928,1988)
Help on See Also: See Also: Links to other databases for Diomignite :
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 Diomignite using:

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

Visit our Advertisers for Diomignite :

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

Ask about Diomignite 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 Espa´┐Żol

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


Dana No: Strunz No: 06.DD.05