Radtkeite Mineral Data

Radtkeite Mineral Data
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General Radtkeite Information

Help on Chemical Formula: Chemical Formula: Hg3S2ClI
Help on Composition: Composition: Molecular Weight = 828.26 gm
   Mercury   72.65 %  Hg   78.45 % HgO
   Sulfur     7.74 %  S     7.74 % S2-
               -   %  S    -3.86 % -O=S 
   Iodine    15.32 %  I    15.32 % I
               -   %   I    -0.97 % -O=I2    
   Chlorine   4.28 %  Cl    4.28 % Cl
               -   %   Cl   -0.97 % -O=Cl2   
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Hg3S2ClI
Help on Environment: Environment: Secondary Hg mineral.
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: McDermitt mercury mine, Humboldt County, Nevada, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Arthur S. Radtke (1936-2004), geologist, U. S. Geological Survey.
Help on Name Pronunciation: Name Pronunciation: Radtkeite + Pronunciation Say RADTKEITE
Help on Synonym: Synonym: IMA1989-030
 

Radtkeite Image

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

Radtkeite   Corderoite

Comments: SEM image of prismatic radtkeite crystals and equant corderoite crystals on quartz matrix. AmMin, v76:1715).
Location: McDermitt mercury mine, Humboldt County, Nevada, USA. Scale: Scale Bar 10 µm.
© American Mineralogist

Radtkeite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.8456:1:1.444
Help on Cell Dimensions: Cell Dimensions: a = 16.827, b = 9.117, c = 13.165, Z = 8; beta = 130.17° V = 1,543.30 Den(Calc)= 7.13
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): 2.54(1), 2.65(0.85), 3.89(0.48),
Click Here for Large Radtkeite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
I - Data Info
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 Help on Above


Pervukhina N V , Vasil ev V I , Naumov D Y , Borisov S V , Magarill S A , The Canadian Mineralogist , 42 (2004) p.87-94, The crystal structure of synthetic radtkeite, Hg3S2ClI

 

Physical Properties of Radtkeite

Help on Cleavage: Cleavage: {010} Perfect, {001} Very Good, {100} Very Good
Help on Color: Color: Bright yellow orange, Orange.
Help on Density: Density: 7
Help on Diaphaneity: Diaphaneity: Translucent to Opaque
Help on Fracture: Fracture: Hackly - Jagged, torn surfaces, (e.g. fractured metals).
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luster: Luster: Adamantine
Help on Streak: Streak: yellow orange
 

Optical Properties of Radtkeite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.013 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.031 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1403,KPDmeas= 0.1429,KC= 0.1448
Ncalc = 2.01 - 2.03
Help on Optical Data: Optical Data: Biaxial (+), b=2
 

Calculated Properties of Radtkeite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.78 gm/cc
note: Specific Gravity of Radtkeite =7.00 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.21
Boson Index = 0.79
Help on Photoelectric: Photoelectric: PERadtkeite =1,308.53 barns/electron
U=PERadtkeite x rElectron Density=7,564.32 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Radtkeite is Not Radioactive
 

Radtkeite Classification
Help on Dana Class: Dana Class: 10.03.06.01 (10)Oxyhalides and Hydroxyhalides
  (10.03)where (A)3 (O,OH)2 Xq
  (10.03.06)Dana Group
 
10.03.06.01 Radtkeite Hg3S2ClI C 2/m 2/m
Help on Strunz Class: Strunz Class: 02.FC.15d 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O
  02.FC -With Cl, Br, I (halide-sulfides)
 
02.FC.15d Radtkeite Hg3S2ClI C 2/m 2/m
 

Other Radtkeite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8, AmMin 89:1833) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Radtkeite :
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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Print or Cut-and-Paste your Radtkeite Specimen Label here :

Radtkeite

Hg3S2ClI
Dana No: 10.03.06.01 Strunz No: 02.FC.15d
Locality:

 

Notes: