Mineralogy Database

Edoylerite Mineral Data

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General Edoylerite Information

Help on Chemical  Formula: Chemical Formula: Hg++3Cr++++++O4S2
Help on Composition: Composition: Molecular Weight = 781.90 gm
   Chromium   6.65 %  Cr   12.79 % CrO3
   Mercury   76.96 %  Hg   83.10 % HgO
   Sulfur     8.20 %  S     8.20 % S2-
               -   %  S    -4.09 % -O=S 
   Oxygen     8.18 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Hg3CrO4S2
Help on Environment: Environment: Rare alteration product of cinnabar, in a mercury deposit in silicate-carbonate rock hydrothermally altered from serpentinite.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Clear Creek Claim, New Idria district, San Benito County, California, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Edward H. Oyler (1915-), American mineral collector specializing in mercury minerals.
Help on Name Pronunciation: Name Pronunciation: Edoylerite + Pronunciation Say EDOYLERITE
Help on Synonym: Synonym: ICSD 87733
  IMA1987-006
  PDF 45-1452
 

Edoylerite Image

Click Here for Larger   Image in a New Browser Window Images:
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  Edoylerite   Cinnabar

Comments: Yellow prismatic crystals of edoylerite with red cinnabar.
Location: Clear Creek Claim (Clear Creek Mine), New Idria district, San Benito Co., California, USA. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Edoylerite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5077:1:0.5022
Help on Cell Dimensions: Cell Dimensions: a = 7.524, b = 14.819, c = 7.443, Z = 4; beta = 118.72° V = 727.79 Den(Calc)= 7.14
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.212(1), 3.012(0.6), 4.88(0.5),
 

Physical Properties of Edoylerite

Help on Cleavage: Cleavage: {010} Good, {101} Fair
Help on Color: Color: Greenish yellow, Orange.
Help on Diaphaneity: Diaphaneity: Transparent to Opaque
Help on Fracture: Fracture: Brittle - Subconchoidal - Brittle frature with subconchoidal fragments
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Stellate - Occurs as spherical, radial aggregates radiating from a "star" like point.
Help on Luster: Luster: Adamantine
Help on Streak: Streak: yellow
 

Optical Properties of Edoylerite

Help on Optical Data: Optical Data: Biaxial (?)
  NCalc= 2.04 - from Gladstone-Dale relationship (KC = 0.1451) where Ncalc=Dcalc*KC+1
Help on Pleochroism (x): Pleochroism (x): lemon yellow.
Help on Pleochroism (y): Pleochroism (y): lemon yellow.
Help on Pleochroism (z): Pleochroism (z): darker lemon yellow.
Help on RL Bireflectance: RL Bireflectance: Weak.
Help on RL Color: RL Color: Pale gray to bluish gray with brilliant pale yellow internal reflections.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Edoylerite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   17.50   16.80 
   
 420 nm   18.00   18.00 
 440 nm   18.20   19.10 
 460 nm   17.90   19.20 
 480 nm   17.30   18.95 
 500 nm   17.00   18.50 
 520 nm   17.10   19.50 
 540 nm   17.00   19.80 
 560 nm   16.80   19.60 
 580 nm   16.60   19.55 
 600 nm   16.30   19.50 
 620 nm   16.20   19.30 
 640 nm   16.10   19.20 
 660 nm   15.95   19.10 
 680 nm   15.80   19.10 
 700 nm   15.70   18.90 
Calculated Relative Intensity Colors of Edoylerite in Air
Relative
Intensity
   0%   60% 100% 120% 180% 240% 300% 360% 420% 480% 540%
R1                      
R2                      
 

Calculated Properties of Edoylerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.99 gm/cc
note: Specific Gravity of Edoylerite =7.14 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.23
Boson Index = 0.77
Help on Photoelectric: Photoelectric: PEEdoylerite =1,300.65 barns/electron
U=PEEdoylerite x rElectron Density=7,791.38 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Edoylerite is Not Radioactive
 

Edoylerite Classification

Help on  Dana Class: Dana Class: 35.04.04.01 (35)Anhydrous Chromates
  (35.04)with miscellaneous formulae
  (35.04.04)Dana Group
 
35.04.04.01 Edoylerite Hg3CrO4S2 P 21/a 2/m
Help on  Strunz Class: Strunz Class: 07.FB.25 07 - SULFATES (SELENATES, TELLURATES)
  07.F - Chromates
  07.FB -With additional O, V, S, Cl
 
07.FB.25 Edoylerite Hg3CrO4S2 P 21/a 2/m
 

Other Edoylerite Information

Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(AntBidBlaNic5)
Help on See Also: See Also: Links to other databases for Edoylerite :
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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Edoylerite

Hg++3Cr++++++O4S2
Dana No: 35.04.04.01 Strunz No: 07.FB.25
Locality:

 

Notes:

 

 
   
 


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