Azoproite Mineral Data + Say AZOPROITE

General Azoproite Information

Help on Chemical  Formula: Chemical Formula: (Mg,Fe++)2(Fe+++,Ti,Mg)BO5
Help on Composition: Composition: Molecular Weight = 205.49 gm
   Magnesium  18.92 %  Mg   31.38 % MgO
   Titanium    6.99 %  Ti   11.66 % TiO2
   Iron       29.90 %  Fe   17.48 % FeO / 23.31 % Fe2O3
   Boron       5.26 %  B    16.94 % B2O3
   Oxygen     38.93 %  O
             ______        ______ 
             100.00 %      100.78 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg1.5Fe2+0.5Fe3+0.6Ti0.3Mg0.1BO5
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: Link to MinDat.org Location Data.
 

Azoproite Image

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Azoproite

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)= 4.00
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-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 Diaphaniety: Diaphaniety: 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 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:

relectron=3.87 gm/cc
note: rAzoproite =4.00 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.04495
Boson Index = 0.95505
Help on Photoelectric: Photoelectric:

PEAzoproite = 10.61 barns/electron
U=PEAzoproite x relectron= 41.07 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: 24.2.1.3 (24)Borates - Anhydrous
  (24.2)where (A)2 BO2 [XO3]
  (24.2.1)Ludwigite Group (Space Group: Pbam)
 
24.2.1.1 Ludwigite Mg2FeBO5 Pbam 2/m 2/m 2/m
 
24.2.1.2 Vonsenite Fe2FeBO5 Pbam 2/m 2/m 2/m
 
24.2.1.3 Azoproite (Mg,Fe)2(Fe,Ti,Mg)BO5 Pbam 2/m 2/m 2/m
 
24.2.1.4 Bonaccordite Ni2FeBO5 Pbam 2/m 2/m 2/m
 
24.2.1.5 Chestermanite Mg2(Fe,Mg,Al,Sb)BO3O2 Pbam 2/m 2/m 2/m
 
24.2.1.6 Fredrikssonite Mg2(Mn,Fe)O2(BO3) Pbam 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: V/G.04-30 V - Nitrates, Carbonates and Borates
  V/G - "Insel" borates [BO3]3- "inseln"
  V/G.04 - Ludwigite group
 
V/G.04-10 Ludwigite Mg2FeBO5 Pbam 2/m 2/m 2/m
 
V/G.04-20 Vonsenite Fe2FeBO5 Pbam 2/m 2/m 2/m
 
V/G.04-30 Azoproite (Mg,Fe)2(Fe,Ti,Mg)BO5 Pbam 2/m 2/m 2/m
 
V/G.04-40 Chestermanite Mg2(Fe,Mg,Al,Sb)BO3O2 Pbam 2/m 2/m 2/m
 
V/G.04-50 Fredrikssonite Mg2(Mn,Fe)O2(BO3) Pbam 2/m 2/m 2/m
 
V/G.04-60 Bonaccordite Ni2FeBO5 Pbam 2/m 2/m 2/m
 
V/G.04-70 Takeuchiite Mg2MnO2(BO3) Pnnm 2/m 2/m 2/m
 
V/G.04-80 Orthopinakiolite (Mg,Mn)2MnBO5 Pnnm 2/m 2/m 2/m
 
V/G.04-90 Blatterite (Mn,Mg)35Sb3(Mn,Fe)9(BO3)16O32 Pnnm 2/m 2/m 2/m
 
V/G.04-100 Gaudefroyite Ca4Mn3-x(BO3)3(CO3)(O,OH)3 P 63 6
 

Other Azoproite Information

Help on References: References: 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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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

Azoproite

(Mg,Fe++)2(Fe+++,Ti,Mg)BO5
Dana No: 24.2.1.3 Strunz No: V/G.04-30
Locality:

 

Notes:

 

 
   
 
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