Mineralogy Database

Zdenekite Mineral Data

Search Webmineral :
  
Advertisment

General Zdenekite Information

Help on Chemical  Formula: Chemical Formula: NaPbCu++5(AsO4)4Cl•5(H2O)
Help on Composition: Composition: Molecular Weight = 1,229.13 gm
   Sodium     1.87 %  Na    2.52 % Na2O
   Copper    25.85 %  Cu   32.36 % CuO
   Arsenic   24.38 %  As   37.40 % As2O5
   Hydrogen   0.82 %  H     7.33 % H2O
   Lead      16.86 %  Pb   18.16 % PbO
   Chlorine   2.88 %  Cl    2.88 % Cl
               -   %   Cl   -0.65 % -O=Cl2   
   Oxygen    27.34 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaPbCu5(AsO4)4Cl•5(H2O)
Help on Environment: Environment: In a tennantite-bearing horizon near the contact with a lead-bearing horizon in pillars 78, 78b, and 80 in the northern part of the mine.
Help on IMA Status: IMA Status: Approved IMA 1995
Help on Locality: Locality: The Cap Garonne mine, near Le Pradet, 12 km east of Toulon, Var, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Dr. Johan Zdenek (1935-), mineralogist and Director of Scientific Affairs of the Bureau de Recherches Geologiques et Minieres, France.
Help on Name Pronunciation: Name Pronunciation: Zdenekite + Pronunciation Say ZDENEKITE
Help on Synonym: Synonym: IMA1992-037
 

Zdenekite Image

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

  Zdenekite

Comments: Blue crystals of zdenekite on matrix.
Location: Cap Garonne Mine, Pradet, Var, Provence-Alpes-Côte d'Azur, France. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Zdenekite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:3.91317
Help on Cell Dimensions: Cell Dimensions: a = 10.066, c = 39.39, Z = 8; V = 3,991.17 Den(Calc)= 4.09
Help on Crystal System: Crystal System: Tetragonal - Trapezohedral H-M Symbol (4 2 2) Space Group: P 4122,P 4322
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.83(1), 3.132(0.9), 4.925(0.6),
 

Physical Properties of Zdenekite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Blue, Turquoise.
Help on Density: Density: 4.1
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Irregular - Flat surfaces (not cleavage) fractured in an irregular pattern.
Help on Habit: Habit: Crystalline - Fine - Occurs as well-formed fine sized crystals.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 1.5-2 - Talc-Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: pale blue
 

Optical Properties of Zdenekite

Help on Dichroism (e): Dichroism (e): turquoise blue or turquoise blue.
Help on Dichroism (w): Dichroism (w): pale blue or light green.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1809,KPDmeas= 0.1805,KC= 0.1786
Ncalc = 1.73
Help on Optical Data: Optical Data: Uniaxial (-), e=1.71, w=1.77, bire=0.0600.
 

Calculated Properties of Zdenekite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.77 gm/cc
note: Specific Gravity of Zdenekite =4.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEZdenekite = 310.74 barns/electron
U=PEZdenekite x rElectron Density=1,171.28 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zdenekite is Not Radioactive
 

Zdenekite Classification

Help on  Dana Class: Dana Class: 42.09.04.03 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.09)where (A)3 (XO4)2 Zq � x(H2O)
  (42.09.04)Dana Group
 
42.09.04.01 Sampleite NaCaCu5(PO4)4Cl•5(H2O) pseudo TET 2/m 2/m 2/m
 
42.09.04.02 Lavendulan NaCaCu5(AsO4)4Cl•5(H2O) Unk Ortho
 
42.09.04.03 Zdenekite NaPbCu5(AsO4)4Cl•5(H2O) P 4122,P 4322 4 2 2
 
42.09.04.04 Mahnertite! (Na,Ca)Cu3(AsO4)2Cl•5(H2O) I 4mmm 4 2 2
 
42.09.04.05 Lemanskiite! NaCaCu5(AsO4)4Cl•5H2O P 4122 or P 4322 4 2 2
Help on  Strunz Class: Strunz Class: 08.DG.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DG -With large and medium-sized cations, (OH, etc.):RO4 < 0.5:1
 
08.DG.05 Lavendulan NaCaCu5(AsO4)4Cl•5(H2O) Unk Ortho
 
08.DG.05 Shubnikovite Ca2Cu8(AsO4)6Cl(OH)•7(H2O)(?) Unk Ortho
 
08.DG.05 Sampleite NaCaCu5(PO4)4Cl•5(H2O) pseudo TET 2/m 2/m 2/m
 
08.DG.05 Zinclavendulan? NaCa(Zn,Cu)5(AsO4)4Cl•4-5(H2O) Unk Ortho
 
08.DG.05 Lemanskiite! NaCaCu5(AsO4)4Cl•5H2O P 4122 or P 4322 4 2 2
 
08.DG.05 Zdenekite NaPbCu5(AsO4)4Cl•5(H2O) P 4122,P 4322 4 2 2
 

Other Zdenekite Information

Help on References: References: NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.81,1996) OPTIC PROP.(MinRec)
Help on See Also: See Also: Links to other databases for Zdenekite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

Search for Zdenekite using:

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

Visit our Advertisers for Zdenekite :

Ask about Zdenekite 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 Espaol

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

Zdenekite

NaPbCu++5(AsO4)4Cl•5(H2O)
Dana No: 42.09.04.03 Strunz No: 08.DG.05
Locality:

 

Notes:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.