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Edgarbaileyite

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Big Photo

Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
© 2011, JGW

Show Edgarbaileyite Photos (4)



Formula:
(Hg-Hg)
 
3
Si
 
2
O
 
7
System:MonoclinicColour:Yellow, olive-green, ...
Lustre:VitreousHardness:4
This page provides mineralogical data about Edgarbaileyite.

Classification of Edgarbaileyite

IMA status:Approved
Strunz 8th edition ID:8/C.06-20
Nickel-Strunz 10th (pending) edition ID:9.BC.25

9 : SILICATES (Germanates)
B : Sorosilicates
C : Si2O7 groups, without non-tetrahedral anions; cations in octahedral [6] and greater coordination
Dana 8th edition ID:55.5.1.1

55 : SOROSILICATES Si2O7 Groups,Generally with no Additional Anions
5 : Si2O7 Groups, Generally with No Additional Anions with dimeric cations
Hey's CIM Ref.:14.11.6

14 : Silicates not Containing Aluminum
11 : Silicates of Th and Hg
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Type Occurrence of Edgarbaileyite

Type Locality:Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Year of Discovery:1990

Physical Properties of Edgarbaileyite

Lustre:Vitreous
Colour:Yellow, olive-green, dark green-brown
Hardness (Mohs):4

Crystallography of Edgarbaileyite

Crystal System:Monoclinic
Cell Parameters:a = 11.72Å, b = 7.69Å, c = 5.96Å
β = 112.07°
Ratio:a:b:c = 1.524 : 1 : 0.775
Unit Cell Volume:V 497.80 ų (Calculated from Unit Cell)

Optical Data of Edgarbaileyite

Type:Biaxial
RI values: nα = 2.100 nγ = 2.580
Maximum Birefringence:δ = 0.480

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:strong

Chemical Properties of Edgarbaileyite

Formula:
(Hg-Hg)
 
3
Si
 
2
O
 
7
Essential elements:Hg, O, Si
All elements listed in formula:Hg, O, Si

Relationship of Edgarbaileyite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.BC.05Gittinsite
CaZrSi
 
2
O
 
7
9.BC.05Keiviite-(Y)
(Y,Yb)
 
2
[Si
 
2
O
 
7
]
9.BC.05Keiviite-(Yb)
(Yb,Y)
 
2
Si
 
2
O
 
7
9.BC.05Thortveitite
(Sc,Y)
 
2
Si
 
2
O
 
7
9.BC.05Yttrialite-(Y)
(Y,Th)
 
2
Si
 
2
O
 
7
9.BC.10Keldyshite
(Na,H)
 
2
ZrSi
 
2
O
 
7
9.BC.10Khibinskite
K
 
2
ZrSi
 
2
O
 
7
9.BC.10Parakeldyshite
Na
 
2
ZrSi
 
2
O
 
7
9.BC.15Rankinite
Ca
 
3
Si
 
2
O
 
7
9.BC.20Barysilite
Pb
 
8
Mn
2+
 
[Si
 
2
O
 
7
]
 
3
9.BC.30Kristiansenite
Ca
 
2
ScSn(Si
 
2
O
 
7
)(Si
 
2
O
 
6
OH)
9.BC.35Percleveite-(Ce)
(Ce,La,Nd)
 
2
Si
 
2
O
 
7
Related Minerals - Hey's Index Grouping:

- +
14.11.1Thorite
(Th,U)SiO
 
4
14.11.2Huttonite
ThSiO
 
4
14.11.3Umbozerite
Na
 
3
Sr
 
4
Th[Si(O,OH)
 
3-4
]
 
8
14.11.4Thornasite
(Na,K)
 
12
Th
 
3
[Si
 
8
O
 
19
]
 
4
 · 18H
 
2
O
14.11.5Yttrialite-(Y)
(Y,Th)
 
2
Si
 
2
O
 
7

Other Names for Edgarbaileyite

Synonyms:
IMA1988-028
Other Languages:
German:Edgarbaileyit
Russian:Эдгарбейлиит
Spanish:Edgarbaileyita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Edgarbaileyite

Reference List:

- +
New Minerals (1997), New Minerals 1990-1994.

Mineralogical Record: 21: 215-220.

American Mineralogist: 75: 1192-1196.

Internet Links for Edgarbaileyite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Edgarbaileyite details from Handbook of Mineralogy (PDF)
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    • Localities for Edgarbaileyite

    The 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.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    USA
     
    • Arkansas
      • Pike Co.
    		Mineral News: 20(10): 1, 4-6.
    • California
      • San Benito Co.
        • Diablo Range
          • New Idria District
            • Picacho Peak
    		Mineralogical Record: 21: 215-220.; Mineralogical Record (1993): 24: 471-475.
      • Sonoma Co.
        • Mayacmas Mts (Mayacamas Mts)
          • West Mayacmas District
            • Castle Rock Springs area
    		Mineral. Record, 21, 215{220.
    • Nevada
      • Pershing Co.
        • Antelope Springs District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    • Texas
      • Brewster Co.
        • Terlingua District
    		Rocks & Minerals: 66(1): 202.
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