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Edoylerite Mineral Data
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General Edoylerite Information
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 Chemical Formula: |
Hg++3Cr++++++O4S2 |
| Composition: |
Molecular Weight = 781.90 gm |
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Chromium 6.65 % Cr 12.79 % CrO3 |
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Mercury 76.96 % Hg 83.10 % HgO |
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Sulfur 8.20 % S 8.20 % S2- |
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- % S -4.09 % -O=S |
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Oxygen 8.18 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Hg3CrO4S2 |
| Environment: |
Rare alteration product of cinnabar, in a mercury deposit in silicate-carbonate rock hydrothermally altered from serpentinite. |
| IMA Status: |
Approved IMA 1993 |
| Locality: |
Clear Creek Claim, New Idria district, San Benito County, California, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Edward H. Oyler (1915-), American mineral collector specializing in mercury minerals. |
| Name Pronunciation: |
Edoylerite + Pronunciation  |
| Synonym: |
ICSD 87733 |
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IMA1987-006 |
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PDF 45-1452 |
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Edoylerite Image |
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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 |
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Edoylerite Crystallography
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| Axial Ratios: |
a:b:c =0.5077:1:0.5022 |
| Cell Dimensions: |
a = 7.524, b = 14.819, c = 7.443, Z = 4; beta = 118.72° V = 727.79 Den(Calc)= 7.14 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/a |
| X Ray Diffraction: |
By Intensity(I/Io): 3.212(1), 3.012(0.6), 4.88(0.5), |
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Physical Properties of Edoylerite
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| Cleavage: |
{010} Good, {101} Fair |
| Color: |
Greenish yellow, Orange. |
| Diaphaneity: |
Transparent to Opaque |
| Fracture: |
Brittle - Subconchoidal - Brittle frature with subconchoidal fragments |
| Habit: |
Acicular - Occurs as needle-like crystals. |
| Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
| Habit: |
Stellate - Occurs as spherical, radial aggregates radiating from a "star" like point. |
| Luster: |
Adamantine |
| Streak: |
yellow |
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Optical Properties of Edoylerite
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| Optical Data: |
Biaxial (?) |
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NCalc= 2.04 - from Gladstone-Dale relationship (KC = 0.1451) where Ncalc=Dcalc*KC+1
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| Pleochroism (x): |
lemon yellow. |
| Pleochroism (y): |
lemon yellow. |
| Pleochroism (z): |
darker lemon yellow. |
| RL Bireflectance: |
Weak. |
| RL Color: |
Pale gray to bluish gray with brilliant pale yellow internal reflections. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Edoylerite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
17.50 |
16.80 |
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| 420 nm |
18.00 |
18.00 |
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| 440 nm |
18.20 |
19.10 |
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| 460 nm |
17.90 |
19.20 |
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| 480 nm |
17.30 |
18.95 |
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| 500 nm |
17.00 |
18.50 |
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| 520 nm |
17.10 |
19.50 |
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| 540 nm |
17.00 |
19.80 |
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| 560 nm |
16.80 |
19.60 |
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| 580 nm |
16.60 |
19.55 |
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| 600 nm |
16.30 |
19.50 |
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| 620 nm |
16.20 |
19.30 |
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| 640 nm |
16.10 |
19.20 |
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| 660 nm |
15.95 |
19.10 |
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| 680 nm |
15.80 |
19.10 |
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| 700 nm |
15.70 |
18.90 |
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Calculated Relative Intensity Colors of Edoylerite in Air
Relative
Intensity |
0% |
60% |
100% |
120% |
180% |
240% |
300% |
360% |
420% |
480% |
540% |
| R1 |
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| R2 |
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Calculated Properties of Edoylerite
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| Electron Density: |
Bulk Density (Electron Density)=5.99 gm/cc
note: Specific Gravity of Edoylerite =7.14 gm/cc.
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| Fermion Index: |
Fermion Index = 0.23
Boson Index = 0.77 |
| Photoelectric: |
PEEdoylerite =1,300.65 barns/electron
U=PEEdoylerite x rElectron Density=7,791.38 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Edoylerite is Not Radioactive |
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Edoylerite Classification
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| Dana Class: |
35.04.04.01 (35)Anhydrous Chromates |
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(35.04)with miscellaneous formulae |
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(35.04.04)Dana Group |
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35.04.04.01 Edoylerite Hg3CrO4S2 P 21/a 2/m |
| Strunz Class: |
07.FB.25 07 - SULFATES (SELENATES, TELLURATES) |
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07.F - Chromates |
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07.FB -With additional O, V, S, Cl |
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07.FB.25 Edoylerite Hg3CrO4S2 P 21/a 2/m |
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Other Edoylerite Information
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| References: |
NAME( AntBidBlaNic5) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(AntBidBlaNic5) |
| 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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