Bario-orthojoaquinite  Mineral Data

Bario-orthojoaquinite Mineral Data

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General Bario-orthojoaquinite Information

Help on Chemical  Formula: Chemical Formula: Fe++2(Ba,Sr)4Ti2[Si4O12]O2•(H2O)
Help on Composition: Composition: Molecular Weight = 1,316.03 gm
   Barium     20.87 %  Ba   23.30 % BaO
   Strontium  13.32 %  Sr   15.75 % SrO
   Titanium    7.28 %  Ti   12.14 % TiO2
   Iron        8.49 %  Fe   10.92 % FeO
   Silicon    17.07 %  Si   36.52 % SiO2
   Hydrogen    0.15 %  H     1.37 % H2O
   Oxygen     32.82 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+2Ba2Sr2Ti2(Si4O12)2O2•(H2O)
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Benitoite Gem mine, head waters of the San Bent river, 1 mile south of Santa Rita Peak, San Benito Co. California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its composition, orthorhombic crystal structure, and the relationship to joaquinite (named for Joaquin Ridge, Diablo Range, California, USA).
Help on Synonym: Synonym: IMA2000-D
 

Bario-orthojoaquinite Image

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Bario-orthojoaquinite

Comments: Several 0.75mm brownish red micro-crystals of bario-orthojoaquinite in matrix.
Location: Dallas Gem mine, San Benito Co., California, USA. Scale: Picture size 0.5 cm.
© Tom Loomis / Dakota Matrix

Bario-orthojoaquinite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.0914:1:2.3533
Help on Cell Dimensions: Cell Dimensions: a = 10.477, b = 9.599, c = 22.59, Z = 4; V = 2,271.85 Den(Calc)= 3.85
Help on Crystal System: Crystal System: OrthorhombicSpace Group: Ccmm or Ccm2
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.997(1), 2.953(0.95), 2.824(0.9),
 

Physical Properties of Bario-orthojoaquinite

Help on Cleavage: Cleavage: {001} Good
Help on Color: Color: Yellow, Yellowish brown.
Help on Density: Density: 3.96
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 5-5.5 - Apatite-Knife Blade
Help on Luster: Luster: Vitreous (Glassy)
 

Optical Properties of Bario-orthojoaquinite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.051 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.024 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1967,KPDmeas= 0.1912,KC= 0.2015
Ncalc = 1.78 - 1.8
Help on Optical Data: Optical Data: Biaxial (+), a=1.735, b=1.737, g=1.8, bire=0.0650, 2V(Calc)=22, 2V(Meas)=10-15.
Help on Pleochroism (x): Pleochroism (x): yellow.
Help on Pleochroism (y): Pleochroism (y): pale yellow.
Help on Pleochroism (z): Pleochroism (z): very pale yellow.
 

Calculated Properties of Bario-orthojoaquinite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.59 gm/cc
note: Specific Gravity of Bario-orthojoaquinite =3.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PEBario-orthojoaquinite = 109.31 barns/electron
U=PEBario-orthojoaquinite x rElectron Density= 392.68 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bario-orthojoaquinite is Not Radioactive
 

Bario-orthojoaquinite Classification

Help on  Dana Class: Dana Class: 60.01.01b.03 (60)Cyclosilicate Four-Membered Rings
  (60.01)as Titanosilicates
  (60.01.01b)Joaquinite group (Ortho-joaquinite subgroup)
 
60.01.01b.01 Orthojoaquinite-(Ce) NaFeBa2Ce2Ti2[Si4O12]2O2(OH)•(H2O) Ccmm or Ccm21 Ortho
 
60.01.01b.02 Strontio-orthojoaquinite (Na,Fe)2Ba2Sr2Ti2[Si4O12]2(O,OH)2•(H2O) Pbcm or Pbc2 Ortho
 
60.01.01b.03 Bario-orthojoaquinite Fe2(Ba,Sr)4Ti2[Si4O12]O2•(H2O) Ccmm or Ccm2 Ortho
 
60.01.01b.04 Byelorussite-(Ce) NaBa2(Ce,La)2MnTi2Si8O26(F,OH)•(H2O) P 212121 2 2 2
 
60.01.01b.05 Orthojoaquinite-(La)! Ba2Na(La,Ce)2FeTi2Si8O26(OH,O,F)•H2O Ccmm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 09.CE.25 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CE -[Si4O12]8- 4-membered single rings (vierer-Einfachringe),
 
09.CE.25 Byelorussite-(Ce) NaBa2(Ce,La)2MnTi2Si8O26(F,OH)•(H2O) P 212121 2 2 2
 
09.CE.25 Bario-orthojoaquinite Fe2(Ba,Sr)4Ti2[Si4O12]O2•(H2O) Ccmm or Ccm2 Ortho
 
09.CE.25 Joaquinite-(Ce) NaFeBa2Ce2(Ti,Nb)2[Si4O12]2O2(OH,F)•(H2O) C 2 2
 
09.CE.25 Orthojoaquinite-(Ce) NaFeBa2Ce2Ti2[Si4O12]2O2(OH)•(H2O) Ccmm or Ccm21 Ortho
 
09.CE.25 Strontio-orthojoaquinite (Na,Fe)2Ba2Sr2Ti2[Si4O12]2(O,OH)2•(H2O) Pbcm or Pbc2 Ortho
 
09.CE.25 Strontiojoaquinite (Na,Fe)2Ba2Sr2Ti2[Si4O12]2(O,OH)2•(H2O) C 2 2
 
09.CE.25 Orthojoaquinite-(La)! Ba2Na(La,Ce)2FeTi2Si8O26(OH,O,F)•H2O Ccmm 2/m 2/m 2/m
 

Other Bario-orthojoaquinite Information

Help on References: References: NAME( MinRec) 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 Bario-orthojoaquinite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Bario-orthojoaquinite

Fe++2(Ba,Sr)4Ti2[Si4O12]O2•(H2O)
Dana No: 60.01.01b.03 Strunz No: 09.CE.25
Locality:

 

Notes: