Edgarbaileyite Mineral Data + Say EDGARBAILEYITE


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General Edgarbaileyite Information

Help on Chemical  Formula: Chemical Formula: Hg+6Si2O7
Help on Composition: Composition: Molecular Weight = 1,371.71 gm
   Silicon   4.09 %  Si    8.76 % SiO2
   Mercury  87.74 %  Hg   91.24 % Hg2O
   Oxygen    8.16 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Hg6Si2O7
Help on IMA Status: IMA Status: Approved IMA 1990
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Synonym: Synonym: ICSD 69123
  IMA1988-028
  PDF 45-1438
 

Edgarbaileyite Image

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Edgarbaileyite

Comments: Resinous yellow masses of edgarbaileyite in quartz.
Location: Clear Creek Mine, San Benito County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Edgarbaileyite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.5231:1:0.7751
Help on Cell Dimensions: Cell Dimensions: a = 11.725, b = 7.698, c = 5.967, Z = 2; beta = 112.07° V = 499.11 Den(Calc)= 9.13
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.16(1), 2.715(0.63), 1.872(0.36),
Click Here for Large Edgarbaileyite Structure Window Crystal Structure:

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Angel R J , Cressey G , Criddle A J , American Mineralogist , 75 (1990) p.1192-1196, Edgarbaileyite, Hg6Si2O7: The crystal structure of the first mercury silicate

 

Physical Properties of Edgarbaileyite

Help on Cleavage: Cleavage: None
Help on Color: Color: Yellow, Orangish yellow, Dark olive green, Yellowish green, Dark green brown.
Help on Density: Density: 9.4
Help on Diaphaniety: Diaphaniety: Translucent to Opaque
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Vitreous - Resinous
Help on Streak: Streak: yellow green
 

Optical Properties of Edgarbaileyite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.047 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.019 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1468,KPDmeas= 0.1426,KC= 0.1496
Help on Optical Data: Optical Data: Biaxial (?), a=2.1, g=2.58, bire=0.4800
 

Calculated Properties of Edgarbaileyite

Help on Electron Density: Electron Density:

relectron=7.51 gm/cc
note: rEdgarbaileyite =9.13 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.26692
Boson Index = 0.73308
Help on Photoelectric: Photoelectric:

PEEdgarbaileyite =1,510.38 barns/electron
U=PEEdgarbaileyite x relectron=11339.79 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Edgarbaileyite is Not Radioactive

 

Edgarbaileyite Classification

Help on  Dana Class: Dana Class: 55.5.1.1 (55)Sorosilicate Si2O7 Groups, Generally with No Additional Anions
  (55.5)with dimeric cations
  (55.5.1)Dana Group
 
55.5.1.1 Edgarbaileyite Hg6Si2O7 C 2/m 2/m
Help on  Strunz Class: Strunz Class: VIII/C.06-20 VIII - Silicates
  VIII/C - Sorosilicates, with [Si2O7]6-, without anions unfamiliar to tetraheders
  VIII/C.06 - Barysilite - Edgarbaileyite series
 
VIII/C.06-10 Barysilite Pb8Mn(Si2O7)3 R 3c 3 2/m
 
VIII/C.06-20 Edgarbaileyite Hg6Si2O7 C 2/m 2/m
 

Other Edgarbaileyite Information

Help on References: References: PHYS. PROP.(Am.Min.,Vol.75,p1192-1196,1990) OPTIC PROP.(Am.Min.,Vol.75,p1192-1196,1990)
Help on See Also: See Also: Links to other databases for Edgarbaileyite :
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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Edgarbaileyite

Hg+6Si2O7
Dana No: 55.5.1.1 Strunz No: VIII/C.06-20
Locality:

 

Notes:

 

 
   
 
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