Iimoriite-(Y) Mineral Data

Iimoriite-(Y) Mineral Data
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General Iimoriite-(Y) Information

Help on Chemical Formula: Chemical Formula: Y2(SiO4)(CO3)
Help on Composition: Composition: Molecular Weight = 329.90 gm
   Yttrium  53.90 %  Y    68.45 % Y2O3
   Silicon   8.51 %  Si   18.21 % SiO2
   Carbon    3.64 %  C    13.34 % CO2
   Oxygen   33.95 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Y2(SiO4)(CO3)
Help on Environment: Environment: In quartz-microcline pegmatite.
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: Fusamata and Suishoyama, Kawatamachi, Fukushima Prefecture, Honsh, and Soraku, Kyoto Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Satoyasa Iimorii (1885-1982), Japanese analytical chemist and REE specialist.
Help on Name Pronunciation: Name Pronunciation: Iimoriite-(Y) + Pronunciation Say IIMORIITE-(Y)
Help on Synonym: Synonym: ICSD 82489
  PDF 35-640
 

Iimoriite-(Y) Image

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Iimoriite-(Y)

Comments: Nearly colorless prismatic crystal of immolate-(Y) on dolomite.
Location: Trimouns Talc Mine, Luzenac, Ariège, Midi-Pyrénées, France. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Iimoriite-(Y) Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.9882:1:0.9703
Help on Cell Dimensions: Cell Dimensions: a = 6.573, b = 6.651, c = 6.454, Z = 2; alpha = 116.44°, beta = 92.34°, gamma = 95.63° V = 251.21 Den(Calc)= 4.36
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.88(1), 2.95(0.8), 2.78(0.4),
Click Here for Large Iimoriite-(Y) Structure Window Crystal Structure:

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Hughes J M , Foord E E , Jai-Nhuknan J , Bell J M , The Canadian Mineralogist , 34 (1996) p.817-820, The atomic arrangement of Iimoriite-(Y), Y2(SiO4)(CO3)

View Additional jPOWD Structure files for Iimoriite-(Y)
[1]
 

Physical Properties of Iimoriite-(Y)

Help on Cleavage: Cleavage: {011} Distinct
Help on Color: Color: Brown, Colorless, Gray pink, White, Purple gray.
Help on Density: Density: 4.47
Help on Hardness: Hardness: 5.5-6 - Knife Blade-Orthoclase
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Iimoriite-(Y)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.016 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.004 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1832,KPDmeas= 0.1795,KC= 0.1824
Ncalc = 1.8 - 1.82
Help on Optical Data: Optical Data: Biaxial (-), a=1.753, b=1.824, g=1.83, bire=0.0770, 2V(Calc)=30, 2V(Meas)=31.
 

Calculated Properties of Iimoriite-(Y)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.09 gm/cc
note: Specific Gravity of Iimoriite-(Y) =4.38 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0045391139
Boson Index = 0.9954608861
Help on Photoelectric: Photoelectric: PEIimoriite-(Y) = 68.13 barns/electron
U=PEIimoriite-(Y) x rElectron Density= 278.61 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Iimoriite-(Y) is Not Radioactive
 

Iimoriite-(Y) Classification
Help on Dana Class: Dana Class: 53.01.03.01 (53)Nesosilicate Insular SiO4 Groups and Other Anions of Complex Cations
  (53.01)with (CO3)
  (53.01.03)Dana Group
 
53.01.03.01 Iimoriite-(Y) Y2(SiO4)(CO3) P1 1
Help on Strunz Class: Strunz Class: 09.AH.05 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AH -Nesosilicates with CO3, SO4, PO4, etc.
 
09.AH.05 Iimoriite-(Y) Y2(SiO4)(CO3) P1 1
 

Other Iimoriite-(Y) Information
Help on References: References: NAME( Dana8) 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 Iimoriite-(Y) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - WWW-MINCRYST

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Iimoriite-(Y)

Y2(SiO4)(CO3)
Dana No: 53.01.03.01 Strunz No: 09.AH.05
Locality:

 

Notes: