General Jagoite Information Chemical Formula: |
(Pb,Na,Ca)3(Fe+++,Mg)Si3O10(Cl,OH) |
Composition: |
Molecular Weight = 834.25 gm |
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Sodium 0.55 % Na 0.74 % Na2O |
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Calcium 0.48 % Ca 0.67 % CaO |
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Magnesium 0.58 % Mg 0.97 % MgO |
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Iron 5.36 % Fe 7.66 % Fe2O3 |
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Silicon 10.44 % Si 22.33 % SiO2 |
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Hydrogen 0.02 % H 0.22 % H2O |
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Lead 59.61 % Pb 61.91 % Pb2O |
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Chlorine 3.40 % Cl 3.40 % Cl |
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- %
Cl -0.77 % -O=Cl2 |
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Oxygen 19.56 % O |
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______ ______ |
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100.00 % 97.12 % = TOTAL OXIDE |
Empirical Formula: |
Pb2.4Na0.2Ca0.1Fe3+0.8Mg0.2Si3.1O10Cl0.8(OH)0.2 |
Environment: |
In hematite ores. |
IMA Status: |
Valid Species (Pre-IMA) 1957 |
Locality: |
At Lanban, Varmland, Sweden. Link to MinDat.org Location Data. |
Name Origin: |
Named for John B. Jago Trelawney (1909-), mineral collector of Palo Alto, California, USA. |
Name Pronunciation: |
Jagoite |
Synonym: |
ICSD 100874 |
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PDF 36-417 |
| | Jagoite Image
Images:
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Jagoite Crystallography Axial Ratios: |
a:c = 1:3.9083 |
Cell Dimensions: |
a = 8.528, c = 33.33, Z = 8; V = 2,099.23 Den(Calc)= 5.28 |
Crystal System: |
Hexagonal - Ditrigonal DipyramidalH-M Symbol (6 m2) Space Group: P 62c |
X Ray Diffraction: |
By Intensity(I/Io): 3.4(1), 2.8(0.8), 4.16(0.5), |
Crystal Structure:
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Mouse
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| Physical Properties of Jagoite Cleavage: |
{0001} Perfect |
Color: |
Yellow green. |
Density: |
5.43 |
Diaphaneity: |
Semitransparent |
Fracture: |
Flexible - Flexible fragments. |
Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
Habit: |
Micaceous - Platy texture with "flexible" plates. |
Hardness: |
3 - Calcite |
Luster: |
Vitreous (Glassy) |
Streak: |
yellow |
| Optical Properties of Jagoite 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 Optical Data: |
Uniaxial (-), e=1.97, w=2, bire=0.0300. |
| Calculated Properties of Jagoite Electron Density: |
Bulk Density (Electron Density)=4.73 gm/cc |
note: Specific Gravity of Jagoite =5.43 gm/cc. Fermion Index: |
Fermion Index = 0.13 |
Boson Index = 0.87 Photoelectric: |
PEJagoite =1,054.07 barns/electron |
U=PEJagoite x rElectron Density=4,980.92 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Jagoite is Not Radioactive | Jagoite Classification Dana Class: |
73.02.01.01 (73)Phyllosilicate Condensed Tetrahedral Sheets |
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(73.02)with double and single layers |
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(73.02.01)Dana Group |
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Strunz Class: |
09.EG.50 09 - SILICATES (Germanates) |
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09.E - Phyllosilicates |
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09.EG -Double nets with 6-membered and larger rings |
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| Other Jagoite Information References: |
NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
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 15 - WWW-MINCRYST Search for Jagoite using: Visit our Advertisers for Jagoite : A Bijoux Google Search for JagoiteAdam's Minerals Google Search for Jagoite Cape Minerals Google Search for Jagoite Dakota Matrix Minerals Google Search for Jagoite Excalibur Mineral Corp. Google Search for Jagoite Exceptional Minerals Google Search for Jagoite John Betts Fine Minerals Search for Jagoite McDougall Minerals Google Search for Jagoite Mineral News Website Link Rock and Mineral Shows Google Search for Jagoite Weinrich Minerals, Inc. Google Search for Jagoite Ask about Jagoite here : Print or Cut-and-Paste your Jagoite Specimen Label here :
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