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Jinshajiangite Mineral Data

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General Jinshajiangite Information

Help on Chemical  Formula: Chemical Formula: Na2K5BaCa(Fe,Mn)8(Ti,Fe,Nb,Zr)4Si8O32(O,F,H2O)6
Help on Composition: Composition: Molecular Weight = 1,770.72 gm
   Potassium   1.99 %  K     2.39 % K2O
   Barium      8.53 %  Ba    9.52 % BaO
   Sodium      2.34 %  Na    3.15 % Na2O
   Calcium     2.26 %  Ca    3.17 % CaO
   Zirconium   0.52 %  Zr    0.70 % ZrO2
   Titanium    9.73 %  Ti   16.24 % TiO2
   Manganese  10.24 %  Mn   13.22 % MnO
   Niobium     0.79 %  Nb    1.13 % Nb2O5
   Iron       16.08 %  Fe   19.07 % FeO /  1.80 % Fe2O3
   Silicon    12.69 %  Si   27.15 % SiO2
   Hydrogen    0.07 %  H     0.66 % H2O
   Oxygen     32.08 %  O
   Fluorine    2.68 %  F     2.68 % F
                -   %   F    -1.13 % -O=F2    
             ______        ______ 
             100.00 %       99.75 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na1.8K0.9Ba1.1CaFe2+4.7Mn2+3.3Ti3.6Fe3+0.4Nb0.15Zr0.1Si8O32O2.8F2.5 (H2O)0.6(OH)0.1
Help on Environment: Environment: Occurs in an albite-arfvedsontie dike in alkalic syenites.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Jinshajiang River, Sichuan Province, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Jinshajiangite + Pronunciation Say JINSHAJIANGITE
Help on Synonym: Synonym: IMA1981-061
  Surkhobite
 

Jinshajiangite Image

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  Jinshajiangite

Comments: Reddish elongated junshajiangite grain to 0.3mm in matrix.
Location: Norra Karr, Sweden. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Jinshajiangite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.775:1:1.5033
Help on Cell Dimensions: Cell Dimensions: a = 10.732, b = 13.847, c = 20.817, Z = 4; beta = 95.05° V = 3,081.52 Den(Calc)= 3.82
Help on Crystal System: Crystal System: Monoclinic Space Group: C 2/m,Cm,C 2
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.44(1), 2.57(0.8), 3.15(0.8),
 

Physical Properties of Jinshajiangite

Help on Cleavage: Cleavage: {010} Perfect, {100} Perfect
Help on Color: Color: Brown red, Yellow red, Black, Black red.
Help on Density: Density: 3.61
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Habit: Habit: Thin - Flat dimensioned crystals.
Help on Hardness: Hardness: 4.5-5 - Near Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light yellow
 

Optical Properties of Jinshajiangite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.024 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.077 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2079,KPDmeas= 0.22,KC= 0.2254
Ncalc = 1.81 - 1.86
Help on Optical Data: Optical Data: Biaxial (+), a=1.729, b=1.802, g=1.852, bire=0.1230, 2V(Calc)=76, 2V(Meas)=72. Dispersion r < v.
Help on Pleochroism (x): Pleochroism (x): light golden yellow.
Help on Pleochroism (y): Pleochroism (y): brownish yellow.
Help on Pleochroism (z): Pleochroism (z): brownish red.
 

Calculated Properties of Jinshajiangite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.44 gm/cc
note: Specific Gravity of Jinshajiangite =3.61 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEJinshajiangite = 48.03 barns/electron
U=PEJinshajiangite x relectron= 165.06 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 27.29 (Gamma Ray American Petroleum Institute Units)
Concentration of Jinshajiangite per GRapi unit = 3.66 (%)

Estimated Radioactivity from Jinshajiangite - barely detectable

 

Jinshajiangite Classification

Help on  Dana Class: Dana Class: 78.01.05.01 (78)Unclassified silicates
  (78.01)possible nesosilicates
  (78.01.05)Jinshianghite group
 
78.01.05.01 Jinshajiangite Na2K5BaCa(Fe,Mn)8(Ti,Fe,Nb,Zr)4Si8O32(O,F,H2O)6 C 2/m,Cm,C 2 Mono
 
78.01.05.02 Perraultite (Na,Ca)2(Ba,K)2(Mn,Fe)8(Ti,Nb)4Si8O32(OH,F,O)6 C 2 2
Help on  Strunz Class: Strunz Class: 09.BE.67 09 - SILICATES (Germanates)
  09.B - Sorosilicates
  09.BE -Si2O7 groups with additional anions;
 
09.BE.67 Jinshajiangite Na2K5BaCa(Fe,Mn)8(Ti,Fe,Nb,Zr)4Si8O32(O,F,H2O)6 C 2/m,Cm,C 2 Mono
 
09.BE.67 Perraultite (Na,Ca)2(Ba,K)2(Mn,Fe)8(Ti,Nb)4Si8O32(OH,F,O)6 C 2 2
 
09.BE.67 Surkhobite KBa3Ca2Na2(Mn,Fe,Fe)16Ti8(Si2O7)8O8(OH)4(F,O,OH)8 C 2 2
 

Other Jinshajiangite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Jinshajiangite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Jinshajiangite

Na2K5BaCa(Fe,Mn)8(Ti,Fe,Nb,Zr)4Si8O32(O,F,H2O)6
Dana No: 78.01.05.01 Strunz No: 09.BE.67
Locality:

 

Notes:

 

 
   
 


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