Yoshimuraite Mineral Data + 
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- 58.2.6.1 Yoshimuraite (Ba,Sr)2(Mn,Fe)2(Ti,Fe)(Si2O7)2(PO4,SO4)(OH) P1 1
- 58.2.6.2 Innelite (Na,Mg,Ca)2(Ba,K)4Ti3(Si2O7)2(SO4)2(OH,F) P1 1
- VIII/C.25-10 Yoshimuraite (Ba,Sr)2(Mn,Fe)2(Ti,Fe)(Si2O7)2(PO4,SO4)(OH) P1 1
- VIII/C.25-20 Innelite (Na,Mg,Ca)2(Ba,K)4Ti3(Si2O7)2(SO4)2(OH,F) P1 1
General Yoshimuraite Information |
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 Chemical Formula: |
(Ba,Sr)2(Mn,Fe)2(Ti,Fe)(Si2O7)2(PO4,SO4)(OH) | ||
| Composition: |
Molecular Weight = 705.01 gm | ||
| Barium 35.06 % Ba 39.15 % BaO | |||
| Strontium 2.49 % Sr 2.94 % SrO | |||
| Titanium 5.43 % Ti 9.06 % TiO2 | |||
| Manganese 12.47 % Mn 16.10 % MnO | |||
| Iron 4.75 % Fe 4.08 % FeO / 2.27 % Fe2O3 | |||
| Silicon 7.97 % Si 17.04 % SiO2 | |||
| Phosphorus 2.64 % P 6.04 % P2O5 | |||
| Hydrogen 0.14 % H 1.28 % H2O | |||
| Sulfur 1.82 % S 4.54 % SO3 | |||
| Oxygen 27.23 % O | |||
| ______ ______ | |||
| 100.00 % 102.50 % = TOTAL OXIDE | |||
| Empirical Formula: |
Ba1.8Sr0.2Mn2+1.6Fe2+0.4Ti0.8Fe3+0.2(Si2O7)(PO4)0.6(SO4)0.4(OH) | ||
| IMA Status: |
Approved IMA 1961 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 89862 | ||
| PDF 36-411 | |||
Yoshimuraite Image | |||
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Images:
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Yoshimuraite Crystallography |
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| Axial Ratios: |
a:b:c =0.7695:1:2.1071 | ||
| Cell Dimensions: |
a = 5.386, b = 6.999, c = 14.748, Z = 2; alpha = 89.98°, beta = 93.62°, gamma = 95.5° V = 552.29 Den(Calc)= 4.24 | ||
| Crystal System: |
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.91(1), 3.21(0.5), 4.85(0.5), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Yoshimuraite |
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| Cleavage: |
[010] Perfect, [101] Distinct, [101] Distinct | ||
| Color: |
Orange brown. | ||
| Density: |
4.13 | ||
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
| Hardness: |
4.5 - Between Fluorite and Apatite | ||
Optical Properties of Yoshimuraite |
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| Gladstone-Dale: |
CI meas= 0 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.026 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1828,KPDmeas= 0.1877,KC= 0.1877 |
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| Optical Data: |
Biaxial (+), a=1.763, b=1.777, g=1.785, bire=0.0220, 2V(Calc)=72, 2V(Meas)=85-90. | ||
Calculated Properties of Yoshimuraite |
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| Electron Density: |
relectron=3.77 gm/cc |
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| Fermion Index |
Fermion Index = 0.07624 Boson Index = 0.92376 |
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| Photoelectric: |
PEYoshimuraite = 163.13 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Yoshimuraite is Not Radioactive |
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Yoshimuraite Classification |
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| Dana Class: |
58.2.6.1 (58)Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups | ||
| (58.2)with cations in [6] and higher coordination; single and double groups (n=1,2) | |||
| (58.2.6)Yoshimuraite and related species | |||
| Strunz Class: |
VIII/C.25-10 VIII - Silicates | ||
| VIII/C - Sorosilicates, mixed structure with [SiO4]2- "inseln" and [Si2O7]6- groups | |||
| VIII/C.25 - Yoshimuraite - Innelite series | |||
Other Yoshimuraite Information |
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| References: |
PHYS. PROP.(AmMin, Vol 86) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Yoshimuraite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (MinSocAm) 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris Search for Yoshimuraite using: Visit our Advertisers for Yoshimuraite : Translate Yoshimuraite Mineral Data : Ask about Yoshimuraite here : Print or Cut-and-Paste your Yoshimuraite Specimen Label here :
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