Zeophyllite  Mineral Data

Zeophyllite Mineral Data

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


General Zeophyllite Information

Help on Chemical  Formula: Chemical Formula: Ca4Si3O8(OH,F)4•2(H2O)
Help on Composition: Composition: Molecular Weight = 556.77 gm
   Sodium     0.41 %  Na    0.56 % Na2O
   Calcium   30.23 %  Ca   42.30 % CaO
   Aluminum   0.97 %  Al    1.83 % Al2O3
   Silicon   15.64 %  Si   33.45 % SiO2
   Hydrogen   2.24 %  H    20.06 % H2O
   Oxygen    43.68 %  O
   Fluorine   6.82 %  F     6.82 % F
               -   %   F    -2.87 % -O=F2    
            ______        ______ 
            100.00 %      102.16 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca4.2Na0.1Si3.1Al0.2O9F2•6.2(H2O)
Help on Environment: Environment: Secondary mineral from hydrothermal alteration of basalt.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1902
Help on Locality: Locality: Litomerice (Leitmeritz), Brezno and Labem (Gross-Priesen), Radejcin (Radzein), and Teplice (Teplitz), Czech Republic. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek "to boil" and "a leaf", in allusion to its habit.
Help on Name Pronunciation: Name Pronunciation: Zeophyllite + Pronunciation Say ZEOPHYLLITE
Help on Synonym: Synonym: Foshallasite
  ICSD 85124
  PDF 35-715
 

Zeophyllite Image

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

Zeophyllite

Comments: Numerous white zeophyllite spheroids on a tan matrix.
Location: Brenk, Eifel, Germany. Scale: 2.5 x 1.5 cm.
© John Veevaert

Zeophyllite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:3.90578
Help on Cell Dimensions: Cell Dimensions: a = 9.34, c = 36.48, Z = 8; V = 2,756.00 Den(Calc)= 2.68
Help on Crystal System: Crystal System: Trigonal - RhombohedralH-M Symbol ( 3) Space Group: R 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 12(1), 3.03(0.8), 6.09(0.6),
Click Here for Large Zeophyllite 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 , Acta Crystallographica, Section B , 28 (1972) p.2726-2732, The crystal structure of zeophyllite, Locality: Radzein, Bohemia, Czech Republic

 

Physical Properties of Zeophyllite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: White.
Help on Density: Density: 2.747 - 2.764, Average = 2.75
Help on Diaphaneity: Diaphaneity: Translucent to Opaque
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Pearly
Help on Streak: Streak: white
 

Optical Properties of Zeophyllite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.122 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.097 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2118,KPDmeas= 0.206,KC= 0.2347
Ncalc = 1.63 - 1.65
Help on Optical Data: Optical Data: Uniaxial (-), e=1.56-1.569, w=1.565-1.577, bire=0.0050-0.0080.
 

Calculated Properties of Zeophyllite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.73 gm/cc
note: Specific Gravity of Zeophyllite =2.68 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.007923836
Boson Index = 0.992076164
Help on Photoelectric: Photoelectric: PEZeophyllite = 4.36 barns/electron
U=PEZeophyllite x rElectron Density= 11.87 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zeophyllite is Not Radioactive
 

Zeophyllite Classification

Help on  Dana Class: Dana Class: 73.01.04.01 (73)Phyllosilicate Condensed Tetrahedral Sheets
  (73.01)with double layers
  (73.01.04)Dana Group
 
73.01.04.01 Zeophyllite Ca4Si3O8(OH,F)4•2(H2O) R 3 3
Help on  Strunz Class: Strunz Class: 09.EE.70 09 - SILICATES (Germanates)
  09.E - Phyllosilicates
  09.EE -Single tetrahedral nets of 6-membered rings
 
09.EE.70 Zeophyllite Ca4Si3O8(OH,F)4•2(H2O) R 3 3
 

Other Zeophyllite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(AntBidBlaNic2) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Zeophyllite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info

Search for Zeophyllite using:

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

Visit our Advertisers for Zeophyllite :

A Bijoux Google Search for Zeophyllite
Adam's Minerals Google Search for Zeophyllite
Cape Minerals Google Search for Zeophyllite
Dakota Matrix Minerals Google Search for Zeophyllite
Excalibur Mineral Corp. Google Search for Zeophyllite
Exceptional Minerals Google Search for Zeophyllite
John Betts Fine Minerals Search for Zeophyllite
McDougall Minerals Google Search for Zeophyllite
Mineral News Website Link
Rock and Mineral Shows Google Search for Zeophyllite
Weinrich Minerals, Inc. Google Search for Zeophyllite

Ask about Zeophyllite 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 Zeophyllite Specimen Label here :

Zeophyllite

Ca4Si3O8(OH,F)4•2(H2O)
Dana No: 73.01.04.01 Strunz No: 09.EE.70
Locality:

 

Notes: