Batisite Mineral Data + Say BATISITE


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General Batisite Information

Help on Chemical  Formula: Chemical Formula: BaNaNaTi2O2[Si4O12]
Help on Composition: Composition: Molecular Weight = 624.94 gm
   Potassium   3.75 %  K     4.52 % K2O
   Barium     26.37 %  Ba   29.44 % BaO
   Sodium      0.74 %  Na    0.99 % Na2O
   Titanium   15.32 %  Ti   25.56 % TiO2
   Silicon    17.98 %  Si   38.46 % SiO2
   Oxygen     35.84 %  O
             ______        ______ 
             100.00 %       98.98 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba1.2K0.6Na0.2Ti2Si4O14
Help on Environment: Environment: In aegirine-arfvedsonite-microcline pegmatites in dunites (Inagli massif, Russia).
Help on IMA Status: IMA Status: Approved IMA 1960
Help on Locality: Locality: From the Ingali massif, 30 km west of Aldan; the Murun massif, southwest of Olekminsk, Yakutia; and on Mt. Rasvumchorr, Khibiny massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Ba, Ti, Si in the composition.
Help on Synonym: Synonym: ICSD 76521
  PDF 14-636
 

Batisite Image

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Batisite

Comments: Vitreous, translucent, brownish orange crystals of batisite.
Location: Malyi Murun, Siberia, Russia. Scale: crystals up to 4 to 7 mm.
© John Veevaert

Batisite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.7516:1:0.5819
Help on Cell Dimensions: Cell Dimensions: a = 10.41, b = 13.85, c = 8.06, Z = 4; V = 1,162.08 Den(Calc)= 3.57
Help on Crystal System: Crystal System: Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: Ima2
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.91(1), 2.16(0.5), 3.39(0.5),
Click Here for Large Batisite Structure Window Crystal Structure:

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Schmahl W W , Tillmanns E , Neues Jahrbuch fur Mineralogie, Monatshefte , 1987 (1987) p.107-118, Isomorphic substitutions, straight Si-O-Si geometry, and disorder of tetrahedral, tilting in batisite, (Ba,K)(K,Na)Na(Ti,Fe,Nb,Zr)Si4O14, Locality: tertiary nephelinite-leucite volcanic rocks, Westeifel, W. Germany

 

Physical Properties of Batisite

Help on Cleavage: Cleavage: [100] Good
Help on Color: Color: Brown pink, Yellow brown, Dark brown.
Help on Density: Density: 3.432
Help on Diaphaniety: Diaphaniety: Translucent to Opaque
Help on Hardness: Hardness: 5.9
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: pink white
 

Optical Properties of Batisite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.046 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.083 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2099,KPDmeas= 0.2183,KC= 0.2289
Help on Optical Data: Optical Data: Biaxial (+), a=1.727, b=1.732, g=1.789, bire=0.0620, 2V(Calc)=34, 2V(Meas)=7-40.
 

Calculated Properties of Batisite

Help on Electron Density: Electron Density:

relectron=3.22 gm/cc
note: rBatisite =3.43 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.07537
Boson Index = 0.92463
Help on Photoelectric: Photoelectric:

PEBatisite = 116.54 barns/electron
U=PEBatisite x relectron= 374.79 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 50.73 (Gamma Ray American Petroleum Institute Units)

Estimated Radioactivity from Batisite - barely detectable

 

Batisite Classification

Help on  Dana Class: Dana Class: 65.3.4.1 (65)Inosilicate Single-Width Unbranched Chains, W=1
  (65.3)with chains P=4
  (65.3.4)Batisite group
 
65.3.4.1 Batisite BaNaNaTi2O2[Si4O12] Ima2 mm2
 
65.3.4.2 Shcherbakovite KKNaTi2O(OH)[Si4O12] I mma 2/m 2/m 2/m
 
65.3.4.3 Ohmilite Sr3(Ti,Fe)(Si2O6)2(O,OH)·2-3(H2O) P 21/m 2/m
Help on  Strunz Class: Strunz Class: VIII/F.25-10 VIII - Silicates
  VIII/F - Inosilicates (chain and band) Quadruplet chains [Si4O12]8-
  VIII/F.25 - Batisite - Ohmilite series
 
VIII/F.25-10 Batisite BaNaNaTi2O2[Si4O12] Ima2 mm2
 
VIII/F.25-20 Shcherbakovite KKNaTi2O(OH)[Si4O12] I mma 2/m 2/m 2/m
 
VIII/F.25-30 Taikanite (Ba,Sr)2Mn2Si4O12 C 2 2
 
VIII/F.25-40 Krauskopfite BaSi2O4(OH)2·2(H2O) P 21/a 2/m
 
VIII/F.25-50 Ohmilite Sr3(Ti,Fe)(Si2O6)2(O,OH)·2-3(H2O) P 21/m 2/m
 

Other Batisite Information

Help on References: References: NAME( AntBidBlaNic2) 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 Batisite :
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 - WWW-MINCRYST 14 -École des Mines de Paris

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Batisite

BaNaNaTi2O2[Si4O12]
Dana No: 65.3.4.1 Strunz No: VIII/F.25-10
Locality:

 

Notes:

 

 
   
 
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