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![Mineralogy Database Mineralogy Database](/images/Hedyphane_Crystal.gif) |
Yuanfuliite Mineral Data
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General Yuanfuliite Information
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Chemical Formula: |
(Mg,Fe++)(Fe+++,Al,Mg,Ti,Fe++)(BO3)O |
Composition: |
Molecular Weight = 150.33 gm |
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Magnesium 13.74 % Mg 22.79 % MgO |
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Titanium 3.19 % Ti 5.31 % TiO2 |
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Aluminum 3.59 % Al 6.78 % Al2O3 |
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Iron 29.72 % Fe 14.34 % FeO / 26.56 % Fe2O3 |
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Boron 7.19 % B 23.16 % B2O3 |
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Oxygen 42.57 % O |
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______ ______ |
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100.00 % 98.94 % = TOTAL OXIDE |
Empirical Formula: |
Mg0.75Fe2+0.3Fe3+0.5Al0.2Mg0.1Ti0.1(BO3)O |
Environment: |
Disseminated in and between suanite crystal grains in crystalline magnesian marble. |
IMA Status: |
Approved IMA 1994 |
Locality: |
Zhuanmiao boron deposit, Kuandian bounty, Liaoning Province, People's Republic of China. Link to MinDat.org Location Data. |
Name Origin: |
Named after Prof. Yuan Fuli (1893-1987). |
Name Pronunciation: |
Yuanfuliite + Pronunciation |
Synonym: |
IMA1994-001 |
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Yuanfuliite Image |
Images:
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Yuanfuliite
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 |
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Yuanfuliite Crystallography
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Axial Ratios: |
a:b:c =0.99:1:0.3294 |
Cell Dimensions: |
a = 9.258, b = 9.351, c = 3.081, Z = 4; V = 266.73 Den(Calc)= 3.74 |
Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnam |
X Ray Diffraction: |
By Intensity(I/Io): 2.57(1), 4.176(0.38), 2.957(0.3), |
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Physical Properties of Yuanfuliite
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Cleavage: |
{100} Perfect |
Color: |
Black. |
Density: |
4.02 |
Diaphaneity: |
Nearly opaque |
Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Habit: |
Disseminated - Occurs in small, distinct particles dispersed in matrix. |
Hardness: |
6-6.5 - Orthoclase-Pyrite |
Luster: |
Adamantine |
Streak: |
brownish black |
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Optical Properties of Yuanfuliite
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Optical Data: |
Biaxial (?) |
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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
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Pleochroism (x): |
brown. |
Pleochroism (z): |
very dark brown or dark brownish red. |
RL Anisotrophism: |
Weak. |
RL Color: |
Pale gray with dark red internal reflections. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Yuanfuliite in Air
λ |
R |
![](../images/Reflect_scale_v.gif) |
∑ R(λ) |
420 nm |
1.20 |
![](../images/420nm.BMP) |
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440 nm |
7.70 |
![](../images/440nm.BMP) |
460 nm |
9.77 |
![](../images/460nm.BMP) |
480 nm |
10.11 |
![](../images/480nm.BMP) |
500 nm |
10.12 |
![](../images/500nm.BMP) |
520 nm |
10.03 |
![](../images/520nm.BMP) |
540 nm |
9.66 |
![](../images/540nm.BMP) |
560 nm |
9.40 |
![](../images/560nm.BMP) |
580 nm |
9.38 |
![](../images/580nm.BMP) |
600 nm |
9.27 |
![](../images/600nm.BMP) |
620 nm |
9.22 |
![](../images/620nm.BMP) |
640 nm |
9.98 |
![](../images/640nm.BMP) |
660 nm |
9.79 |
![](../images/660nm.BMP) |
680 nm |
5.33 |
![](../images/680nm.BMP) |
700 nm |
1.33 |
![](../images/700nm.BMP) |
Calculated Relative Intensity Colors of Yuanfuliite in Air
Relative Intensity |
0% |
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400% |
500% |
600% |
700% |
800% |
900% |
1000% |
R |
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Calculated Properties of Yuanfuliite
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Electron Density: |
Bulk Density (Electron Density)=3.62 gm/cc note: Specific Gravity of Yuanfuliite =3.74 gm/cc. |
Fermion Index: |
Fermion Index = 0.03 Boson Index = 0.97 |
Photoelectric: |
PEYuanfuliite = 9.94 barns/electron U=PEYuanfuliite x rElectron Density= 36.02 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Yuanfuliite is Not Radioactive |
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Yuanfuliite Classification
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Dana Class: |
24.02.02.02 (24)Borates - Anhydrous |
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(24.02)where (A)2 BO2 [XO3] |
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(24.02.02)Dana Group |
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24.02.02.01 Warwickite Mg(Ti,Fe,Al)(BO3)O Pnam 2/m 2/m 2/m |
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24.02.02.02 Yuanfuliite (Mg,Fe)(Fe,Al,Mg,Ti,Fe)(BO3)O Pnam 2/m 2/m 2/m |
Strunz Class: |
06.AB.20 06 - BORATES |
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06.A - Monoborates |
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06.AB -BO3, with additional anions; 1(D) + OH, etc. |
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06.AB.20 Warwickite Mg(Ti,Fe,Al)(BO3)O Pnam 2/m 2/m 2/m |
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06.AB.20 Yuanfuliite (Mg,Fe)(Fe,Al,Mg,Ti,Fe)(BO3)O Pnam 2/m 2/m 2/m |
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Other Yuanfuliite Information
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References: |
NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.81,1996) OPTIC PROP.(AntBidBlaNic5) |
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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Print or Cut-and-Paste your Yuanfuliite Specimen Label here :
Yuanfuliite
(Mg,Fe++)(Fe+++,Al,Mg,Ti,Fe++)(BO3)O
Dana No: 24.02.02.02 Strunz No: 06.AB.20
Locality:
Notes:
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