Tedhadleyite Mineral Data (original) (raw)

General Tedhadleyite Information

Help on Chemical Formula: Chemical Formula:

Hg++Hg+10O4I2(Cl1.16Br0.84)2

Help on Composition: Composition:

Molecular Weight = 2,698.11 gm

Mercury 80.29 % Hg 75.76 % Hg2O / 8.03 % HgO

Iodine 10.35 % I 10.35 % I

- % I -0.65 % -O=I2

Bromine 2.96 % Br 2.96 % Br

- % Br -0.30 % -O=Br2

Chlorine 4.20 % Cl 4.20 % Cl

- % Cl -0.95 % -O=Cl2

Oxygen 2.19 % O

______ ______

100.00 % 99.41 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

HgHg9.8O3.7I2.22(Cl1.6)2(Br0.5)

Help on Environment: Environment:

Vug in a quartz-magnesite host rock at a prospect pit near the Clear Creek mercury mine. (new structure-type)

Help on IMA Status: IMA Status:

Approved IMA 2002 (Dana # Added)

Help on Locality: Locality:

Clear Creek claim, San Benito County, California, USA. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Ted A. Hadley (1961-) of Sunnyvale, California, who participated in the collection of the holotype specimen.

Help on Synonym: Synonym:

IMA2001-035

Tedhadleyite Image

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

Click Here for Larger Tedhadleyite Image Tedhadleyite Comments: Grain of tedhadleyite between crossed polars, showing ubiquitous red internal reflections. (CanMin, v40:909). Location: Small prospect pit near the long abandoned Clear Creek mercury mine, New Idria district, San Benito County, California, USA.Scale: Grain Size 0.3 mm. © Canadian Mineralogist

Tedhadleyite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.5916:1:1.0629

Help on Cell Dimensions: Cell Dimensions:

a = 7.014, b = 11.855, c = 12.601, Z = 2; alpha = 115.56°, beta = 82.57°, gamma = 100.57° V = 921.40 Den(Calc)= 9.72

Help on Crystal System: Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: A1

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.885(1)(113), 3.143(0.9)(131,222), 2.675(0.9),3.005(0.7)(122), 2.981(0.5)(211), 5.281(0.5)(020,111), 2.508(0.4), 6.52(0.3),

Physical Properties of Tedhadleyite

Help on Cleavage: Cleavage:

{010} Poor

Help on Color: Color:

Very dark red, Black.

Help on Diaphaneity: Diaphaneity:

Opaque to translucent

Help on Fracture: Fracture:

Brittle - Uneven - Very brittle fracture producing uneven fragments.

Help on Habit: Habit:

Anhedral Grains - Granular minerals without the expression of crystal shapes

Help on Habit: Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Help on Habit: Habit:

Spherical - Spherical, rounded aggregates.

Help on Hardness: Hardness:

2.5 - Finger Nail

Help on Luster: Luster:

Adamantine - Submetallic

Help on Streak: Streak:

red

Optical Properties of Tedhadleyite

Help on Optical Data: Optical Data:

NCalc= 2.57 - from Gladstone-Dale relationship (KC = 0.1622) where Ncalc=Dcalc*KC+1

Help on RL Anisotrophism: RL Anisotrophism:

Moderate.

Help on RL Bireflectance: RL Bireflectance:

None.

Help on RL Color: RL Color:

Bluish white.

Help on RL Pleochroism: RL Pleochroism:

None.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Tedhadleyite in Air

λ R1 R 2 ∑ R1(λ) ∑ R2(λ)
470 nm 27.20 30.00
546 nm 24.40 27.60
589 nm 22.80 25.40
650 nm 21.60 23.90

Calculated Relative Intensity Colors of Tedhadleyite in Air

RelativeIntensity 0% 40% 80% 100% 120% 160% 200% 240% 280% 320% 360% 390%
R1
R2

Calculated Properties of Tedhadleyite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=7.87 gm/cc
note: Specific Gravity of Tedhadleyite =9.66 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.24
Boson Index = 0.76

Help on Photoelectric: Photoelectric:

PETedhadleyite =1,440.22 barns/electron
U=PETedhadleyite x rElectron Density=11339.93 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tedhadleyite is Not Radioactive

Tedhadleyite Classification

Help on Dana Class: Dana Class:

10.05.14.01 (10)Oxyhalides and Hydroxyhalides

(10.05)where Am (O,OH)p Xq

(10.05.14)Dana Group

10.05.14.01 Tedhadleyite! HgHg10O4I2(Cl1.16Br0.84)2 A1 1

Help on Strunz Class: Strunz Class:

03.DD.40 03 - HALIDES

03.D - Oxyhalides, Hydroxyhalides and Related Double Halides

03.DD -With Hg

03.DD.40 Tedhadleyite! HgHg10O4I2(Cl1.16Br0.84)2 A1 1

Other Tedhadleyite Information

Help on References: References:

NAME( AmMin, Vol 88, p 477) PHYS. PROP.(AmMin, Vol 88, p 477) OPTIC PROP.(AmMin, Vol 88, p 477)

Help on See Also: See Also:

Links to other databases for Tedhadleyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Ask about Tedhadleyite here :
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Print or Cut-and-Paste your Tedhadleyite Specimen Label here :

Tedhadleyite

Hg++Hg+10O4I2(Cl1.16Br0.84)2
Dana No: 10.05.14.01 Strunz No: 03.DD.40
Locality:

Notes: