Pyrostilpnite Mineral Data

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



[How the Club Works] [Memberships - Junior, Deluxe , and Platinum] [FAQ] [Past Minerals]
Join the Club - Junior, Deluxe and Platinum Memberships Available
High Quality Minerals Sent to Your Home or School Each Month
Mineral of the Month Club - An Inexpensive Way to Enjoy Minerals


General Pyrostilpnite Information

Help on Chemical Formula: Chemical Formula: Ag3SbS3
Help on Composition: Composition: Molecular Weight = 541.55 gm
   Silver    59.75 %  Ag
   Antimony  22.48 %  Sb
   Sulfur    17.76 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Ag3SbS3
Help on Environment: Environment: Found in low-temperature hydrothermal veins as a late-stage mineral. Dimorphous with pyrargyrite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1868
Help on Locality: Locality: Andreasberg in the Harz Mountains, Germany Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek, pyr, "fire" and stilpnos, "shining."
Help on Name Pronunciation: Name Pronunciation: Pyrostilpnite + Pronunciation Say PYROSTILPNITE
Help on Synonym: Synonym: Fire Blende
  ICSD 33714
  PDF 8-129
 

Pyrostilpnite Image

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

Pyrostilpnite

Comments: Reddish brown, crystalline aggregate of pyrostilpnite on matrix.
Location: St. Audreasberg, Hartz, Lower Saxony, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
Click Here for Larger Pyrostilpnite Image in a New Browser Window Images:
Click Here for Larger Pyrostilpnite Image

Pyrostilpnite

Comments: Deep bright-red, acicular crystals of pyrostilpnite to 1mm in vuggy sulfide matrix.
Location: Cerro Rico, Potosi City, Potosi Dept., Bolivia. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Pyrostilpnite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.4318:1:0.3939
Help on Cell Dimensions: Cell Dimensions: a = 6.84, b = 15.84, c = 6.24, Z = 4; beta = 117.15° V = 601.58 Den(Calc)= 5.98
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): 3.224(1), 3.12(0.87), 2.841(0.69),
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 0) ( 2 4 1) ( 1 1 0) ( 1 4 1)

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


Kutoglu A , Neues Jahrbuch fur Mineralogie, Monatshefte , 1968 (1968) p.145-160, Die struktur des pyrostilpnits (feuerblende) Ag3SbS3, Locality: St. Andreasberg, Harz Mountains, Germany

 

Physical Properties of Pyrostilpnite

Help on Cleavage: Cleavage: {010} Perfect
Help on Color: Color: Hyacinth red, Orange red.
Help on Density: Density: 4.25 - 5.94, Average = 5.09
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Crystalline - Fine - Occurs as well-formed fine sized crystals.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Adamantine
Help on Streak: Streak: orange yellow
 

Optical Properties of Pyrostilpnite

Help on Optical Data: Optical Data: Biaxial (+), a=2.7, b=2.7, g=2.7, bire=0.0000
Help on Pleochroism (x): Pleochroism (x): lemon yellow.
Help on Pleochroism (y): Pleochroism (y): lemon yellow.
Help on Pleochroism (z): Pleochroism (z): lemon yellow.
 

Calculated Properties of Pyrostilpnite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.30 gm/cc
note: Specific Gravity of Pyrostilpnite =5.98 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0013322529
Boson Index = 0.9986677471
Help on Photoelectric: Photoelectric: PEPyrostilpnite = 229.29 barns/electron
U=PEPyrostilpnite x rElectron Density=1,215.30 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Pyrostilpnite is Not Radioactive
 

Pyrostilpnite Classification
Help on Dana Class: Dana Class: 03.04.02.02 (03)Sulfides - Sulfosalts
  (03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.04.02)Xanthoconite Group (Ruby Silver)
 
03.04.02.01 Xanthoconite Ag3AsS3 A2/a 2/m
 
03.04.02.02 Pyrostilpnite Ag3SbS3 P 21/c 2/m
Help on Strunz Class: Strunz Class: 02.GA.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.G - Sulfarsenites, sulfantimonites, sulfbismuthites
  02.GA -Neso-sulfarsenites, etc., without additional S
 
02.GA.10 Pyrostilpnite Ag3SbS3 P 21/c 2/m
 
02.GA.10 Xanthoconite Ag3AsS3 A2/a 2/m
 

Other Pyrostilpnite Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Pyrostilpnite :
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
15 - WWW-MINCRYST

Search for Pyrostilpnite using:

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

Visit our Advertisers for Pyrostilpnite :

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 Pyrostilpnite Mineral Data :

Ask about Pyrostilpnite 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 Espaņol

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

Pyrostilpnite

Ag3SbS3
Dana No: 03.04.02.02 Strunz No: 02.GA.10
Locality:

 

Notes: