Aurivilliusite Mineral Data (original) (raw)

General Aurivilliusite Information

Help on Chemical Formula: Chemical Formula:

Hg+Hg++OI

Help on Composition: Composition:

Molecular Weight = 541.59 gm

Mercury 74.07 % Hg 38.51 % Hg2O / 39.99 % HgO

Iodine 22.73 % I 22.73 % I

- % I -1.43 % -O=I2

Bromine 0.15 % Br 0.15 % Br

- % Br -0.01 % -O=Br2

Chlorine 0.07 % Cl 0.07 % Cl

- % Cl -0.01 % -O=Cl2

Oxygen 2.98 % O

______ ______

100.00 % 99.99 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

HgHgO1.01I0.97Br0.01Cl0.01

Help on Environment: Environment:

In a cm-wide quartz vein with other mercury compounds. Related to terlinguaite; new structure type.

Help on IMA Status: IMA Status:

Approved IMA 2004 (Dana # Added)

Help on Locality: Locality:

A small prospect pit near the long-abandoned Clear Creek mercury mine, New Idria district, San Benito County, California, USA. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Karin Aurivillius (1920-1982), chemist-crystallographer at the University of Lund, Sweden, who determined the crystal structure of numerous synthetic Hg compounds.

Help on Synonym: Synonym:

IMA2002-022

Aurivilliusite Image

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

Click Here for Larger Aurivilliusite Image Aurivilliusite Comments: Dark reddish brown aurivilliusite-bearing ‘splattered’ patch on quartz. Location: Clear Creek claim, San Benito County, California, USA.Scale: See Image. © Mineralogical Magazine

Aurivilliusite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =2.5189:1:0.959

Help on Cell Dimensions: Cell Dimensions:

a = 17.58, b = 6.979, c = 6.693, Z = 8; beta = 101.71° V = 804.08 Den(Calc)= 8.95

Help on Crystal System: Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 3.275(1)(002), 2.873(0.8)(600), 2.993(0.8)(221),8.547(0.7)(200), 1.878(0.5)(223), 2.404(0.5)(602,421,222),

Physical Properties of Aurivilliusite

Help on Cleavage: Cleavage:

{100} Distinct

Help on Color: Color:

Dark gray black.

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Fracture: Fracture:

Brittle - Uneven - Very brittle fracture producing uneven fragments.

Help on Habit: Habit:

Encrustations - Forms crust-like aggregates on matrix.

Help on Luster: Luster:

Metallic

Help on Streak: Streak:

dark red brown

Optical Properties of Aurivilliusite

Help on Optical Data: Optical Data:

NCalc= 2.4 - from Gladstone-Dale relationship (KC = 0.1568) where Ncalc=Dcalc*KC+1

Help on RL Color: RL Color:

Resembles cinnabar, light sensitive, no internal reflections, shows red light coalescing phenomenon.

Calculated Properties of Aurivilliusite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=7.27 gm/cc
note: Specific Gravity of Aurivilliusite =8.95 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.22
Boson Index = 0.78

Help on Photoelectric: Photoelectric:

PEAurivilliusite =1,384.79 barns/electron
U=PEAurivilliusite x rElectron Density=10069.53 barns/cc.

Help on Radioactivity: Radioactivity:

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

Aurivilliusite Classification

Help on Dana Class: Dana Class:

10.04.02.02 (10)Oxyhalides and Hydroxyhalides

(10.04)where (A)2 (O,OH) Xq

(10.04.02)Terlinguaite Group

10.04.02.01 Terlinguaite HgHgClO C 2/c 2/m

10.04.02.02 Aurivilliusite! HgHgOI C 2/m 2/m

Help on Strunz Class: Strunz Class:

03.DD.50 03 - HALIDES

03.D - Oxyhalides, Hydroxyhalides and Related Double Halides

03.DD -With Hg

03.DD.50 Aurivilliusite! HgHgOI C 2/m 2/m

Other Aurivilliusite Information

Help on References: References:

NAME( CanMin, 42:1904) PHYS. PROP.(CanMin, 42:1904) OPTIC PROP.(CanMin, 42:1904)

Help on See Also: See Also:

Links to other databases for Aurivilliusite :
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 Aurivilliusite here :
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Print or Cut-and-Paste your Aurivilliusite Specimen Label here :

Aurivilliusite

Hg+Hg++OI
Dana No: 10.04.02.02 Strunz No: 03.DD.50
Locality:

Notes: