Paralaurionite Mineral Data

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


Mineral of the Month Club
Dakota Matrix
[Newest Minerals] [Rare Minerals] [Cabinet Specimens] [About Us] [Image Gallery]
Updated weekly, for the collector, educator, and researcher since 1996
Extensive Inventory of very Rare Minerals. Visa and Mastercard are Welcome

TIMA - Mineral Analyzer

General Paralaurionite Information

Help on Chemical Formula: Chemical Formula: PbCl(OH)
Help on Composition: Composition: Molecular Weight = 259.66 gm
   Hydrogen   0.39 %  H     3.47 % H2O
   Lead      79.80 %  Pb   85.96 % PbO
   Chlorine  13.65 %  Cl   13.65 % Cl
               -   %   Cl   -3.08 % -O=Cl2   
   Oxygen     6.16 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbCl(OH)
Help on Environment: Environment: Secondary mineral from smelting activities.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1899
Help on Locality: Locality: Ancient lead slags at Laurium, Greece. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from its similarity to laurionite.
Help on Name Pronunciation: Name Pronunciation: Paralaurionite + Pronunciation Say PARALAURIONITE
Help on Synonym: Synonym: ICSD 74291
  PDF 16-158
  Rafaelite
 

Paralaurionite Image

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

Paralaurionite

Comments: Transparent, prismatic Paralaurionite crystal.
Location: Laurium, Greece. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Paralaurionite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.711:1:1.8065
Help on Cell Dimensions: Cell Dimensions: a = 10.79, b = 3.98, c = 7.19, Z = 4; beta = 117.2° V = 274.62 Den(Calc)= 6.28
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): 3.21(1), 5.14(1), 2.51(0.9),
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: ( 1 1 0) ( 2 1 1) ( 1 1 1) ( 1 0 0) ( 0 0 1)

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


Merlino S , Pasero M , Perchialli N , Mineralogical Magazine , 57 (1993) p.323-328, Crystal structure of paralaurionite and its OD relationships with laurionite

 

Physical Properties of Paralaurionite

Help on Cleavage: Cleavage: {001} Distinct
Help on Color: Color: Colorless, Violet, Green yellow, White.
Help on Density: Density: 6.05
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Subadamantine
Help on Streak: Streak: white
 

Optical Properties of Paralaurionite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.107 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.066 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1805,KPDmeas= 0.1873,KC= 0.1693
Ncalc = 2.02 - 2.06
Help on Optical Data: Optical Data: Biaxial (-), a=2.05, b=2.15, g=2.2, bire=0.1500
 

Calculated Properties of Paralaurionite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.22 gm/cc
note: Specific Gravity of Paralaurionite =6.28 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.17
Boson Index = 0.83
Help on Photoelectric: Photoelectric: PEParalaurionite =1,473.61 barns/electron
U=PEParalaurionite x rElectron Density=7,698.21 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Paralaurionite is Not Radioactive
 

Paralaurionite Classification
Help on Dana Class: Dana Class: 10.02.03.01 (10)Oxyhalides and Hydroxyhalides
  (10.02)where A (O,OH) Xq
  (10.02.03)Dana Group
 
10.02.03.01 Paralaurionite PbCl(OH) C 2/m 2/m
 
10.02.03.02 Belloite! Cu(OH)Cl P 21/a 2/m
Help on Strunz Class: Strunz Class: 03.DC.05 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DC -With Pb (As,Sb,Bi), without Cu
 
03.DC.05 Laurionite PbCl(OH) Pnam 2/m 2/m 2/m
 
03.DC.05 Paralaurionite PbCl(OH) C 2/m 2/m
 

Other Paralaurionite Information
Help on References: References: NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Paralaurionite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Glendale Community College
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

Search for Paralaurionite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Paralaurionite :

B and L Fine Minerals
Dakota Matrix Minerals
Dan & Diana Weinrich Mineral Auctions
Excalibur Mineral Corp.
Exceptional Minerals
John Betts Fine Minerals
Mineral News
Mineral of the Month Club
NY/NJ Gem & Mineral Show
TIMA Mineral Analyzer
Weinrich Minerals, Inc.
Wright's Rock Shop

Ask about Paralaurionite 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 Paralaurionite Specimen Label here :

Paralaurionite

PbCl(OH)
Dana No: 10.02.03.01 Strunz No: 03.DC.05
Locality:

 

Notes: