Marrite Mineral Data

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


Dan Weinrich Auctions
[Mineral Auctions] [Register] [Current Auctions] [Log In] [www.danweinrich.com]
Dan Weinrich Auctions
Specializing In Live Weekly Auctions Of Top Quality Mineral Specimens
The Place To Find Great Specimens At Great Prices!


General Marrite Information

Help on Chemical Formula: Chemical Formula: PbAgAsS3
Help on Composition: Composition: Molecular Weight = 486.19 gm
   Silver   22.19 %  Ag
   Arsenic  15.41 %  As
   Lead     42.62 %  Pb
   Sulfur   19.79 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: PbAgAsS3
Help on Environment: Environment: Of hydrothermal origin with other sulfosalts in dolomite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1904
Help on Locality: Locality: Lengenbach quarry, Binutal, Valais, Switzerland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for John Edward Marr (1857-1933), geologist of Canbridge, England.
Help on Name Pronunciation: Name Pronunciation: Marrite Say MARRITE
Help on Synonym: Synonym: ICSD 26835
  PDF 21-1338
 

Marrite Image

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

Marrite

Comments: A prismatic crystal of marrite with small rounded crystals of galena in quartz.
Location: Lengenbach quarry, Binntal, Wallis (Valais), Switzerland. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag
Click Here for Larger Marrite Image in a New Browser Window Images:
Click Here for Larger Marrite Image

Marrite   Jordanite

Comments: Aggregate of gray prismatic crystals of marrite on fine-grained jordanite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture high 5 mm.
© Walter Gabriel

Marrite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.575:1:0.473
Help on Cell Dimensions: Cell Dimensions: a = 7.291, b = 12.68, c = 5.998, Z = 4; beta = 91.22° V = 554.39 Den(Calc)= 5.82
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.75(1), 3.45(1), 3(0.7),
Click Here for Large Marrite 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


Wuensch B J , Nowacki W , Zeitschrift fur Kristallographie , 125 (1967) p.459-488, The crystal structure of marrite, PbAgAsS3, Locality: Lengenbach quarry, Binnatal, Switzerland

 

Physical Properties of Marrite

Help on Cleavage: Cleavage: None
Help on Color: Color: Lead gray, Steel gray.
Help on Density: Density: 6.23
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Striated - Parallel lines on crystal surface or cleavage face.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Metallic
Help on Streak: Streak: brownish black
 

Optical Properties of Marrite

Help on RL Anisotrophism: RL Anisotrophism: Distinct, strong in oil.
Help on RL Color: RL Color: White, with red internal reflections.
 

Calculated Properties of Marrite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.03 gm/cc
note: Specific Gravity of Marrite =5.82 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.09
Boson Index = 0.91
Help on Photoelectric: Photoelectric: PEMarrite = 828.56 barns/electron
U=PEMarrite x rElectron Density=4,165.76 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Marrite is Not Radioactive
 

Marrite Classification
Help on Dana Class: Dana Class: 03.04.06.01 (03)Sulfides - Sulfosalts
  (03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.04.06)Dana Group
 
03.04.06.01 Marrite PbAgAsS3 P 21/a 2/m
 
03.04.06.02 Freieslebenite AgPbSbS3 P 21/n 2/m
Help on Strunz Class: Strunz Class: 02.JB.15 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JB -Galena derivatives, with Pb
 
02.JB.15 Freieslebenite AgPbSbS3 P 21/n 2/m
 
02.JB.15 Marrite PbAgAsS3 P 21/a 2/m
 

Other Marrite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Marrite :
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 Marrite using:

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

Visit our Advertisers for Marrite :

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 Marrite Mineral Data :

Ask about Marrite 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 Marrite Specimen Label here :

Marrite

PbAgAsS3
Dana No: 03.04.06.01 Strunz No: 02.JB.15
Locality:

 

Notes: