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Yuanfuliite Mineral Data

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General Yuanfuliite Information

Help on Chemical  Formula: Chemical Formula: (Mg,Fe++)(Fe+++,Al,Mg,Ti,Fe++)(BO3)O
Help on Composition: Composition: Molecular Weight = 150.33 gm
   Magnesium  13.74 %  Mg   22.79 % MgO
   Titanium    3.19 %  Ti    5.31 % TiO2
   Aluminum    3.59 %  Al    6.78 % Al2O3
   Iron       29.72 %  Fe   14.34 % FeO / 26.56 % Fe2O3
   Boron       7.19 %  B    23.16 % B2O3
   Oxygen     42.57 %  O
             ______        ______ 
             100.00 %       98.94 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg0.75Fe2+0.3Fe3+0.5Al0.2Mg0.1Ti0.1(BO3)O
Help on Environment: Environment: Disseminated in and between suanite crystal grains in crystalline magnesian marble.
Help on IMA Status: IMA Status: Approved IMA 1994
Help on Locality: Locality: Zhuanmiao boron deposit, Kuandian bounty, Liaoning Province, People's Republic of China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Prof. Yuan Fuli (1893-1987).
Help on Name Pronunciation: Name Pronunciation: Yuanfuliite + Pronunciation Say YUANFULIITE
Help on Synonym: Synonym: IMA1994-001

Yuanfuliite Image

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Comments: Black inclusions of yuanfuliite in matrix.
Location: Tayeznoye Deposit, 100 km S. of Aldan, Yakutia, Russia. Scale: Specimen Size 1.2x2.2 cm.
© Diederik Visser

Yuanfuliite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.99:1:0.3294
Help on Cell Dimensions: Cell Dimensions: a = 9.258, b = 9.351, c = 3.081, Z = 4; V = 266.73 Den(Calc)= 3.74
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnam
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.57(1), 4.176(0.38), 2.957(0.3),

Physical Properties of Yuanfuliite

Help on Cleavage: Cleavage: {100} Perfect
Help on Color: Color: Black.
Help on Density: Density: 4.02
Help on Diaphaneity: Diaphaneity: Nearly opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Disseminated - Occurs in small, distinct particles dispersed in matrix.
Help on Hardness: Hardness: 6-6.5 - Orthoclase-Pyrite
Help on Luster: Luster: Adamantine
Help on Streak: Streak: brownish black

Optical Properties of Yuanfuliite

Help on Optical Data: Optical Data: Biaxial (?)
  NCalc= 1.9 - from Gladstone-Dale relationship (KC = 0.2409) where Ncalc=Dcalc*KC+1
NCalc= 1.97 - from Gladstone-Dale relationship (KC = 0.2409) where Ncalc=Dmeas*KC+1
Help on Pleochroism (x): Pleochroism (x): brown.
Help on Pleochroism (z): Pleochroism (z): very dark brown or dark brownish red.
Help on RL Anisotrophism: RL Anisotrophism: Weak.
Help on RL Color: RL Color: Pale gray with dark red internal reflections.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Yuanfuliite in Air
λ R  ∑ R(λ) 
 420 nm    1.20   
 440 nm    7.70 
 460 nm    9.77 
 480 nm   10.11 
 500 nm   10.12 
 520 nm   10.03 
 540 nm    9.66 
 560 nm    9.40 
 580 nm    9.38 
 600 nm    9.27 
 620 nm    9.22 
 640 nm    9.98 
 660 nm    9.79 
 680 nm    5.33 
 700 nm    1.33 
Calculated Relative Intensity Colors of Yuanfuliite in Air
   0% 100% 200% 300% 400% 500% 600% 700% 800% 900% 1000%

Calculated Properties of Yuanfuliite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.62 gm/cc
note: Specific Gravity of Yuanfuliite =3.74 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEYuanfuliite = 9.94 barns/electron
U=PEYuanfuliite x rElectron Density= 36.02 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Yuanfuliite is Not Radioactive

Yuanfuliite Classification

Help on  Dana Class: Dana Class: (24)Borates - Anhydrous
  (24.02)where (A)2 BO2 [XO3]
  (24.02.02)Dana Group Warwickite Mg(Ti,Fe,Al)(BO3)O Pnam 2/m 2/m 2/m Yuanfuliite (Mg,Fe)(Fe,Al,Mg,Ti,Fe)(BO3)O Pnam 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 06.AB.20 06 - BORATES
  06.A - Monoborates
  06.AB -BO3, with additional anions; 1(D) + OH, etc.
06.AB.20 Warwickite Mg(Ti,Fe,Al)(BO3)O Pnam 2/m 2/m 2/m
06.AB.20 Yuanfuliite (Mg,Fe)(Fe,Al,Mg,Ti,Fe)(BO3)O Pnam 2/m 2/m 2/m

Other Yuanfuliite Information

Help on References: References: NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.81,1996) OPTIC PROP.(AntBidBlaNic5)
Help on See Also: See Also: Links to other databases for Yuanfuliite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Dana No: Strunz No: 06.AB.20





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