Arsenopyrite Mineral Data

Arsenopyrite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About


Masons Minerals
[Thumbnails] [Miniatures] [Cabinets] [About Us] [FAQ]
Welcome To Mason's Minerals
Your Source for Beautiful Minerals and Crystals
We offer a no-questioned-asked Satisfaction Guarantee


General Arsenopyrite Information

Help on Chemical Formula: Chemical Formula: FeAsS
Help on Composition: Composition: Molecular Weight = 162.83 gm
   Iron     34.30 %  Fe
   Arsenic  46.01 %  As
   Sulfur   19.69 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Fe3+AsS
Help on Environment: Environment: High temperature veins. Found in igneous pegmatites and contact metamorphic rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1847
Help on Locality: Locality: Most common arsenic-bearing mineral found world wide. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the minerals chemical composition.
Help on Name Pronunciation: Name Pronunciation: Arsenopyrite + Pronunciation Say ARSENOPYRITE
Help on Synonym: Synonym: Arsenical pyrite
  Bismuthian Arsenopyrite
  Cobaltian Arsenopyrite
  ICSD 62400
  Mispickel
  PDF 42-1320
 

Arsenopyrite Image

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

Arsenopyrite   Siderite

Comments: White, metallic arsenopyrite and tan siderite crystals.
Location: Panasqueira (2000, 3rd level), in the region of Beira Baixa, Portugal. Scale: 11 x 7 cm.
© Fabre Minerals
Click Here for Larger Arsenopyrite Image in a New Browser Window Images:
Click Here for Larger Arsenopyrite Image

Arsenopyrite

Comments: Polished section (PPL) showing crystalline aggregate of arsenopyrite (asp) in massive sphalerite (sp), typical of the main sphalerite lens.
Location: Giant Kidd Creek Volcanogenic Massive Sulfide deposit, Western Abitibi Subprovince, Timmins, Ontario, Canada. Scale: F.V. = 0.25 mm.
© National Resouces of Canada

Arsenopyrite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.0105:1:1.0193
Help on Cell Dimensions: Cell Dimensions: a = 5.74, b = 5.68, c = 5.79, Z = 4; beta = 112.17° V = 174.82 Den(Calc)= 6.19
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.662(1), 2.677(1), 2.418(0.95),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above

Forms: ( 0 1 2) ( 1 1 0)

Warning: this large pop-up is very compute intensive and may not work well with some computers.
Click Here for Large Arsenopyrite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Morimoto N , Clark L A , American Mineralogist , 46 (1961) p.1448-1469, Arsenopyrite crystal-chemical relations, From Freiberg, Germany

 

Physical Properties of Arsenopyrite

Help on Cleavage: Cleavage: {110} Distinct
Help on Color: Color: Tin white, Light steel gray.
Help on Density: Density: 6.07
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Striated - Parallel lines on crystal surface or cleavage face.
Help on Hardness: Hardness: 5 - Apatite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Magnetic after heating
Help on Streak: Streak: black
 

Optical Properties of Arsenopyrite

Help on RL Anisotrophism: RL Anisotrophism: Strong, red-violet.
Help on RL Color: RL Color: White, faint yellow tint.
Help on RL Pleochroism: RL Pleochroism: Weak, white with bluish tint to faint reddish yell.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Arsenopyrite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   49.90   53.00 
   
 420 nm   49.20   53.00 
 440 nm   48.50   53.00 
 460 nm   48.30   53.00 
 480 nm   48.50   52.80 
 500 nm   48.90   52.70 
 520 nm   49.40   52.40 
 540 nm   49.70   52.00 
 560 nm   50.20   51.60 
 580 nm   50.50   51.30 
 600 nm   50.80   51.10 
 620 nm   51.00   50.80 
 640 nm   51.10   50.70 
 660 nm   51.10   50.60 
 680 nm   51.10   50.50 
 700 nm   51.00   50.50 
Calculated Relative Intensity Colors of Arsenopyrite in Air
Relative
Intensity		    0%   20%   40%   60%   80% 100% 120% 140% 160% 180%
R1                    
R2                    
 

Calculated Properties of Arsenopyrite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.70 gm/cc
note: Specific Gravity of Arsenopyrite =6.19 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0087478423
Boson Index = 0.9912521577
Help on Photoelectric: Photoelectric: PEArsenopyrite = 44.13 barns/electron
U=PEArsenopyrite x rElectron Density= 251.61 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Arsenopyrite is Not Radioactive
 

Arsenopyrite Classification
Help on Dana Class: Dana Class: 02.12.04.01 (02)Sulfides - Including Selenides and Tellurides
  (02.12)where Am Bn Xp, with (m+n):p=1:2
  (02.12.04)Arsenopyrite Group (Monoclinic: P21/c (Pseudo-orthorhombic))
 
02.12.04.01 Arsenopyrite FeAsS P 21/c 2/m
 
02.12.04.02 Gudmundite FeSbS P 21/n 2/m
 
02.12.04.03 Osarsite (Os,Ru)AsS P 21/c 2/m
 
02.12.04.04 Ruarsite RuAsS P 21/c 2/m
 
02.12.04.05 Iridarsenite (Ir,Ru)As2 P 21/c 2/m
 
02.12.04.06 Clinosafflorite (Co,Fe,Ni)As2 P 21/n 2/m
Help on Strunz Class: Strunz Class: 02.EB.20 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.E - Metal Sulfides, M:S £ 1:2
  02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc.
 
02.EB.20 Arsenopyrite FeAsS P 21/c 2/m
 
02.EB.20 Gudmundite FeSbS P 21/n 2/m
 
02.EB.20 Ruarsite RuAsS P 21/c 2/m
 
02.EB.20 Paxite CuAs2 P 21/c 2/m
 
02.EB.20 Osarsite (Os,Ru)AsS P 21/c 2/m
 

Other Arsenopyrite Information
Help on References: References: NAME( Sinkankas66) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Arsenopyrite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - EUROmin Project
7 - Ecole des Mines de Paris
8 - Franklin Minerals(Dunn)
9 - Franklin Minerals(Palache)
10 - Google Images
11 - Google Scholar
12 - Handbook of Mineralogy (MinSocAm)
13 - Handbook of Mineralogy (UofA)
14 - HyperPhysics
15 - MinDAT
16 - MinMax(Deutsch)
17 - MinMax(English)
18 - Mineral and Gemstone Kingdom
19 - Mineralienatlas (Deutsch)
20 - Philatelic Mineralogy
21 - QUT Mineral Atlas
22 - Ruff.Info
23 - Scandinavian mineral gallery
24 - WWW-MINCRYST
25 - theimage

Search for Arsenopyrite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Arsenopyrite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Arsenopyrite Mineral Data :

Ask about Arsenopyrite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Arsenopyrite Specimen Label here :

Arsenopyrite

FeAsS
Dana No: 02.12.04.01 Strunz No: 02.EB.20
Locality:

 

Notes: