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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 |
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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 |
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∑ R(λ) |
| 420 nm |
1.20 |
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| 440 nm |
7.70 |
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| 460 nm |
9.77 |
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| 480 nm |
10.11 |
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| 500 nm |
10.12 |
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| 520 nm |
10.03 |
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| 540 nm |
9.66 |
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| 560 nm |
9.40 |
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| 580 nm |
9.38 |
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| 600 nm |
9.27 |
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| 620 nm |
9.22 |
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| 640 nm |
9.98 |
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| 660 nm |
9.79 |
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| 680 nm |
5.33 |
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| 700 nm |
1.33 |
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Calculated Relative Intensity Colors of Yuanfuliite in Air
Relative
Intensity |
0% |
100% |
200% |
300% |
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.
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| 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.
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| 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 :
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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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