Edgarbaileyite

Edgarbaileyite

Clear Creek claim, Goat Mountain, San Benito County, California, USA

Edgarbaileyite, etc.

Clear Creek claim, Goat Mountain, San Benito County, California, USA

Edgarbaileyite, etc.

Clear Creek claim, Goat Mountain, San Benito County, California, USA

Edgarbaileyite

Clear Creek claim, Goat Mountain, San Benito County, California, USA

Edgarbaileyite, etc.

Clear Creek claim, Goat Mountain, San Benito County, California, USA

Edgarbaileyite, etc.

Clear Creek claim, Goat Mountain, San Benito County, California, USA

Edgarbaileyite

Clear Creek claim, Goat Mountain, San Benito County, California, USA

Edgarbaileyite, etc.

Clear Creek claim, Goat Mountain, San Benito County, California, USA

About EdgarbaileyiteHide

Edgar H. Bailey

Formula:

[Hg₂]²⁺₃[Si₂O₇]

Colour:

Freshly exposed material is lemon-yellow to orangish yellow; exposed surfaces range from dark olive-green to a lighter yellowish green to dark green-brown

Lustre:

Vitreous, Resinous

Hardness:

4

Specific Gravity:

9.4

Crystal System:

Monoclinic

Name:

Named in 1990 by Andrew C. Roberts, Maurizio Bonardi, Richard C. Erd, Alan J. Criddle, Christopher J. Stanley, Gordon Cressy, Ross J. Angel, and J. H. Gilles LaFlamme in honor of Edgar Herbert Bailey [August 3, 1914 Washington, District of Columbia, USA - July 28, 1983 San Mateo, California, USA], geologist for the United States Geological Survey and a mercury commodity specialist.

Type Locality:

ⓘ Clear Creek claim (Clear Creek Mine), Goat Mountain, San Benito County, California, USA

The only approved natural Hg silicate. Compare the two other unnamed (not approved) Hg silicate minerals: CCUK-13 and CCUK-14.

Unique IdentifiersHide

IMA Classification of EdgarbaileyiteHide

Classification of EdgarbaileyiteHide

Mineral SymbolsHide

Physical Properties of EdgarbaileyiteHide

Optical Data of EdgarbaileyiteHide

Type:

Biaxial

RI values:

n_α = 2.100 n_γ = 2.580

Max Birefringence:

δ = 0.480

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Moderate

Bireflectance:

Weak to strong

Dispersion:

strong

Colour in reflected light:

gray to slightly lighter gray,

Internal Reflections:

pale lemon-yellow

Pleochroism:

Weak

Comments:

In polished section, not pleochroic

Chemistry of EdgarbaileyiteHide

Crystallography of EdgarbaileyiteHide

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0001331	Edgarbaileyite	Angel R J, Cressey G, Criddle A J (1990) Edgarbaileyite, Hg6Si2O7: The crystal structure of the first mercury silicate American Mineralogist 75 1192-1196		1990		0	293

CIF Raw Data - click here to closedata_global _chemical_name_mineral 'Edgarbaileyite' loop_ _publ_author_name 'Angel R J' 'Cressey G' 'Criddle A J' _journal_name_full 'American Mineralogist' _journal_volume 75 _journal_year 1990 _journal_page_first 1192 _journal_page_last 1196 _publ_section_title ; Edgarbaileyite, Hg6Si2O7: The crystal structure of the first mercury silicate ; _database_code_amcsd 0001331 _chemical_formula_sum 'Hg6 Si2 O7' _cell_length_a 11.755 _cell_length_b 7.678 _cell_length_c 5.991 _cell_angle_alpha 90 _cell_angle_beta 111.73 _cell_angle_gamma 90 _cell_volume 502.293 _exptl_crystal_density_diffrn 9.069 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Hg1 0.11400 0.00000 0.04900 0.01976 Hg2 0.11550 0.24230 0.57890 0.01798 Si 0.64910 0.00000 0.10500 0.01520 O1 0.30300 0.00000 0.11300 0.02280 O2 0.31100 0.16800 0.72800 0.02153 O3 0.50000 0.00000 0.00000 0.00127 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Hg1 0.00906 0.03046 0.02008 0.00000 0.00585 0.00000 Hg2 0.00967 0.02150 0.02118 0.00085 0.00339 0.00216

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of EdgarbaileyiteHide

Synonyms of EdgarbaileyiteHide

Other Language Names for EdgarbaileyiteHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Fluorescence of EdgarbaileyiteHide

Other InformationHide

Internet Links for EdgarbaileyiteHide

References for EdgarbaileyiteHide

Localities for EdgarbaileyiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Spain
Extremadura Badajoz Usagre ⓘ Mariquita Mine (Sultana Mine)	Calvo Rebollar, Miguel and Rewitzer, Christian (2022). Atlas de minerales de España. Atlas of Spanish minerals. Prames, Zaragoza. 384 págs.
USA
Arkansas Pike County ⓘ Funderburk prospect	Mineral News: 20(10): 1, 4-6.
California San Benito County Goat Mountain ⓘ Clear Creek claim (Clear Creek Mine) (TL)	Roberts, A.C., Bonardi, M., Erd, R.C., Criddle, A.J., Stanley, C.J., Cressey, G., Angel, R.J., Laflamme, J.H.G. (1990) Edgarbaileyite the first known silicate of mercury, from California and Texas. The Mineralogical Record: 21: 215-220. Erd, Richard C., Bonardi, Maurizio, Criddle, Alan J., Roberts, Andrew C., Page, Yvon Le, Gabe, Eric J. (1993) Edoylerite Hg2+3Cr6+O4S2 a new mineral from the Clear Creek Claim, San Benito County, California. The Mineralogical Record, 24 (6) 471-475
San Mateo County Redwood City ⓘ Challenge deposit	Dunning, Gail, The Challenge Mercury Deposit, Redwood City, San Mateo County, California., BAM Journal, Vol. 9 No. 1.
Sonoma County West Mayacmas Mining District Castle Rock Springs area ⓘ Socrates Mine	Mineral. Record, 21, 215{220.
Nevada Pershing County Antelope Springs Mining District ⓘ Red Bird Mine	Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology
Texas Brewster County ⓘ Mariposa Mine	Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622