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Jagoite Mineral Data

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General Jagoite Information

Help on Chemical  Formula: Chemical Formula: (Pb,Na,Ca)3(Fe+++,Mg)Si3O10(Cl,OH)
Help on Composition: Composition: Molecular Weight = 834.25 gm
   Sodium      0.55 %  Na    0.74 % Na2O
   Calcium     0.48 %  Ca    0.67 % CaO
   Magnesium   0.58 %  Mg    0.97 % MgO
   Iron        5.36 %  Fe    7.66 % Fe2O3
   Silicon    10.44 %  Si   22.33 % SiO2
   Hydrogen    0.02 %  H     0.22 % H2O
   Lead       59.61 %  Pb   61.91 % Pb2O
   Chlorine    3.40 %  Cl    3.40 % Cl
                -   %   Cl   -0.77 % -O=Cl2   
   Oxygen     19.56 %  O
             ______        ______ 
             100.00 %       97.12 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb2.4Na0.2Ca0.1Fe3+0.8Mg0.2Si3.1O10Cl0.8(OH)0.2
Help on Environment: Environment: In hematite ores.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1957
Help on Locality: Locality: At Lanban, Varmland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for John B. Jago Trelawney (1909-), mineral collector of Palo Alto, California, USA.
Help on Name Pronunciation: Name Pronunciation: Jagoite Say JAGOITE
Help on Synonym: Synonym: ICSD 100874
  PDF 36-417

Jagoite Image

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Comments: Yellow crystalline fragment of jagoite in hausmannite.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jagoite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:3.9083
Help on Cell Dimensions: Cell Dimensions: a = 8.528, c = 33.33, Z = 8; V = 2,099.23 Den(Calc)= 5.28
Help on Crystal System: Crystal System: Hexagonal - Ditrigonal Dipyramidal H-M Symbol (6 m2) Space Group: P 62c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.4(1), 2.8(0.8), 4.16(0.5),

Physical Properties of Jagoite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Yellow green.
Help on Density: Density: 5.43
Help on Diaphaneity: Diaphaneity: Semitransparent
Help on Fracture: Fracture: Flexible - Flexible fragments.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Micaceous - Platy texture with "flexible" plates.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: yellow

Optical Properties of Jagoite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -1.09 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -1.149 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1866,KPDmeas= 0.1814,KC= 0.0868
Ncalc = 1.46 - 1.47
Help on Optical Data: Optical Data: Uniaxial (-), e=1.97, w=2, bire=0.0300.

Calculated Properties of Jagoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.73 gm/cc
note: Specific Gravity of Jagoite =5.43 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.13
Boson Index = 0.87
Help on Photoelectric: Photoelectric: PEJagoite =1,054.07 barns/electron
U=PEJagoite x rElectron Density=4,980.92 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jagoite is Not Radioactive

Jagoite Classification

Help on  Dana Class: Dana Class: (73)Phyllosilicate Condensed Tetrahedral Sheets
  (73.02)with double and single layers
  (73.02.01)Dana Group Jagoite (Pb,Na,Ca)3(Fe,Mg)Si3O10(Cl,OH) P 62c 6 m2 Hyttsjoite! Pb18Ba2Ca5Mn2Fe2Si30O90Cl•6(H2O) R 3 3
Help on  Strunz Class: Strunz Class: 09.EG.50 09 - SILICATES (Germanates)
  09.E - Phyllosilicates
  09.EG -Double nets with 6-membered and larger rings
09.EG.50 Jagoite (Pb,Na,Ca)3(Fe,Mg)Si3O10(Cl,OH) P 62c 6 m2

Other Jagoite 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 Jagoite :
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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Dana No: Strunz No: 09.EG.50





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