Uytenbogaardtite Mineral Data

Uytenbogaardtite Mineral Data
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General Uytenbogaardtite Information

Help on Chemical Formula: Chemical Formula: Ag3AuS2
Help on Composition: Composition: Molecular Weight = 584.70 gm
   Silver  55.35 %  Ag
   Gold    33.69 %  Au
   Sulfur  10.97 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: Ag3AuS2
Help on Environment: Environment: Hydrothermal Au-Ag-quartz veins.
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Tambang Sawah, Benkoelen district, Indonesia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Willem Uytenbogaardt (1918- ), Professor of Geology, Technical University, Delft, The Netherlands, prominent ore microscopist.
Help on Name Pronunciation: Name Pronunciation: Uytenbogaardtite + Pronunciation Say UYTENBOGAARDTITE
Help on Synonym: Synonym: ICSD 15732
  PDF 33-587
 

Uytenbogaardtite Image

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Uytenbogaardtite

Comments: Gray crystal grains of uytenbogaardtite to 1mm throughout matrix with electrum.
Location: Bullfrog mine, Nye County, Nevada, USA. Scale: Slab 1cm thick 6x6cm.
© Tom Loomis / Dakota Matrix

Uytenbogaardtite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.01025
Help on Cell Dimensions: Cell Dimensions: a = 9.75, c = 9.85, Z = 8; V = 936.37 Den(Calc)= 8.29
Help on Crystal System: Crystal System: Tetragonal - TrapezohedralH-M Symbol (4 2 2) Space Group: P 4122
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.712(1), 2.59(0.9), 6.94(0.4),
Click Here for Large Uytenbogaardtite Structure Window Crystal Structure:

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Messien P , Baiwir M , Tavernier B , Bulletin de la Societe Royal des Sciences de Liege , 35 (1966) p.727-733, Structure cristalline du sulfure mixte d argent et d or, Locality: synthetic

 

Physical Properties of Uytenbogaardtite

Help on Color: Color: Gray white.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Metallic
 

Optical Properties of Uytenbogaardtite

Help on Optical Data: Optical Data: NCalc= 2.27 - from Gladstone-Dale relationship (KC = 0.1532) where Ncalc=Dcalc*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Strong, without distinct colors.
Help on RL Color: RL Color: Gray-white.
Help on RL Pleochroism: RL Pleochroism: Distinct in air, gray-white to gray-white with a brownish tint.
 

Calculated Properties of Uytenbogaardtite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.15 gm/cc
note: Specific Gravity of Uytenbogaardtite =8.29 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0008226226
Boson Index = 0.9991773774
Help on Photoelectric: Photoelectric: PEUytenbogaardtite = 678.66 barns/electron
U=PEUytenbogaardtite x rElectron Density=4,849.53 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Uytenbogaardtite is Not Radioactive
 

Uytenbogaardtite Classification
Help on Dana Class: Dana Class: 02.04.03.01 (02)Sulfides - Including Selenides and Tellurides
  (02.04)where Am Bn Xp, with (m+n):p=2:1
  (02.04.03)Uytenbogaardtite Group
 
02.04.03.01 Uytenbogaardtite Ag3AuS2 P 4122 4 2 2
 
02.04.03.02 Fischesserite Ag3AuSe2 I 4132 4 3 2
 
02.04.03.03 Petzite Ag3AuTe2 I 4132 4 3 2
Help on Strunz Class: Strunz Class: 02.BA.40b 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BA -With Cu, Ag, Au
 
02.BA.40b Uytenbogaardtite Ag3AuS2 P 4122 4 2 2
 

Other Uytenbogaardtite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Uytenbogaardtite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Uytenbogaardtite

Ag3AuS2
Dana No: 02.04.03.01 Strunz No: 02.BA.40b
Locality:

 

Notes: