Mineralogy Database

Azoproite Mineral Data

Search Webmineral :

General Azoproite Information

Help on Chemical  Formula: Chemical Formula: (Mg,Fe++)2(Fe+++,Ti,Mg)BO5
Help on Composition: Composition: Molecular Weight = 186.49 gm
   Magnesium  26.98 %  Mg   44.74 % MgO
   Titanium    9.24 %  Ti   15.42 % TiO2
   Iron       14.97 %  Fe    5.01 % FeO / 15.84 % Fe2O3
   Boron       5.91 %  B    19.04 % B2O3
   Oxygen     42.90 %  O
             ______        ______ 
             100.00 %      100.04 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg1.82Fe2+0.13Fe3+0.37Ti0.36Mg0.25B1.02O5
Help on Environment: Environment: Late-stage mineral in the border zone in magnesian contact-metamorphic rocks associated with syenites
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: Tazheran alkalic massif, west of Lake Baikal, eastern Siberia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from a Russian acronym honoring the Study of Deep Zones of the Earth�s Crust (AZOPRO in Russian) sponsored in 1969 by the International Geological Association.
Help on Name Pronunciation: Name Pronunciation: Azoproite + Pronunciation Say AZOPROITE

Azoproite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image


Comments: Black, acicular azoproite in matrix.
Location: Tazheran Massif, Transbaikalia, Irkutsk District, Siberia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Azoproite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.7559:1:0.2457
Help on Cell Dimensions: Cell Dimensions: a = 9.26, b = 12.25, c = 3.01, Z = 4; V = 341.44 Den(Calc)= 3.63
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbam
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.57(1), 5.07(0.8), 2.16(0.6),

Physical Properties of Azoproite

Help on Cleavage: Cleavage: {010} Good, {001} Distinct
Help on Color: Color: Black.
Help on Density: Density: 3.63
Help on Diaphaneity: Diaphaneity: Transparent to Subopaque
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Adamantine
Help on Streak: Streak: gray

Optical Properties of Azoproite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.092 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.092 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2274,KPDmeas= 0.2274,KC= 0.2503
Ncalc = 1.91
Help on Optical Data: Optical Data: Biaxial (+), a=1.799, b=1.822, g=1.855, bire=0.0560

Calculated Properties of Azoproite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.54 gm/cc
note: Specific Gravity of Azoproite =3.63 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEAzoproite = 6.65 barns/electron
U=PEAzoproite x rElectron Density= 23.52 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Azoproite is Not Radioactive

Azoproite Classification

Help on  Dana Class: Dana Class: (24)Borates - Anhydrous
  (24.02)where (A)2 BO2 [XO3]
  (24.02.01)Ludwigite Group (Space Group: Pbam) Ludwigite Mg2FeBO5 Pbam 2/m 2/m 2/m Vonsenite Fe2FeBO5 Pbam 2/m 2/m 2/m Azoproite (Mg,Fe)2(Fe,Ti,Mg)BO5 Pbam 2/m 2/m 2/m Bonaccordite Ni2FeBO5 Pbam 2/m 2/m 2/m Chestermanite Mg2(Fe,Mg,Al,Sb)BO3O2 Pbam 2/m 2/m 2/m Fredrikssonite Mg2(Mn,Fe)O2(BO3) Pbam 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 06.AB.30 06 - BORATES
  06.A - Monoborates
  06.AB -BO3, with additional anions; 1(D) + OH, etc.
06.AB.30 Azoproite (Mg,Fe)2(Fe,Ti,Mg)BO5 Pbam 2/m 2/m 2/m
06.AB.30 Bonaccordite Ni2FeBO5 Pbam 2/m 2/m 2/m
06.AB.30 Fredrikssonite Mg2(Mn,Fe)O2(BO3) Pbam 2/m 2/m 2/m
06.AB.30 Ludwigite Mg2FeBO5 Pbam 2/m 2/m 2/m
06.AB.30 Vonsenite Fe2FeBO5 Pbam 2/m 2/m 2/m

Other Azoproite Information

Help on References: References: NAME( AntBidBlaNic5) 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 Azoproite :
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 Azoproite using:

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

Visit our Advertisers for Azoproite :

Ask about Azoproite 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�ol

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


Dana No: Strunz No: 06.AB.30





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