Mineralogy Database

Zunyite Mineral Data

Search Webmineral :

General Zunyite Information

Help on Chemical  Formula: Chemical Formula: Al13Si5O20(OH,F)18Cl
Help on Composition: Composition: Molecular Weight = 1,156.74 gm
   Aluminum  30.32 %  Al   57.29 % Al2O3
   Silicon   12.14 %  Si   25.97 % SiO2
   Hydrogen   1.39 %  H    12.46 % H2O
   Chlorine   3.06 %  Cl    3.06 % Cl
               -   %   Cl   -0.69 % -O=Cl2   
   Oxygen    49.79 %  O
   Fluorine   3.28 %  F     3.28 % F
               -   %   F    -1.38 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Al13Si5O20(OH)16F2Cl
Help on Environment: Environment: Metamorphosed highly aluminous shales
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1884
Help on Locality: Locality: Zuni mine, Anvil Mountain, Silverton, San Juan County, Colorado, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Zunyite Say ZUNYITE
Help on Synonym: Synonym: ICSD 32549
  PDF 46-1393

Zunyite Image

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


Comments: Octahedral crystals of zunyite to 5 mm on matrix.
Location: Quartzsite, Arizona. Scale: 5+ cm.
© John Veevaert

Zunyite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 13.925, Z = 4; V = 2,700.14 Den(Calc)= 2.85
Help on Crystal System: Crystal System: Isometric - Hextetrahedral H-M Symbol (4 3m) Space Group: F43m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.21(1), 8.07(1), 2.68(0.9),

Physical Properties of Zunyite

Help on Cleavage: Cleavage: {111} Good
Help on Color: Color: Colorless, Gray white, Pink, Reddish white.
Help on Density: Density: 2.88
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Crystalline - Fine - Occurs as well-formed fine sized crystals.
Help on Hardness: Hardness: 7 - Quartz
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white

Optical Properties of Zunyite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.079 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.069 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2105,KPDmeas= 0.2083,KC= 0.2262
Ncalc = 1.64 - 1.65
Help on Optical Data: Optical Data: Isotropic, n=1.6.

Calculated Properties of Zunyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.85 gm/cc
note: Specific Gravity of Zunyite =2.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0059104365
Boson Index = 0.9940895635
Help on Photoelectric: Photoelectric: PEZunyite = 1.59 barns/electron
U=PEZunyite x rElectron Density= 4.54 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zunyite is Not Radioactive

Zunyite Classification

Help on  Dana Class: Dana Class: (57)Sorosilicate Insular Si3O10 and Larger Noncyclic Groups
  (57.03)with [Si5O16] groups
  (57.03.01)Dana Group Zunyite Al13Si5O20(OH,F)18Cl F43m 4 3m
Help on  Strunz Class: Strunz Class: 09.BJ.55 09 - SILICATES (Germanates)
  09.B - Sorosilicates
  09.BJ -Sorosilicates with Si3O10, Si4O11, etc
09.BJ.55 Zunyite Al13Si5O20(OH,F)18Cl F43m 4 3m

Other Zunyite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Zunyite :
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 Zunyite using:

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

Visit our Advertisers for Zunyite :

Ask about Zunyite 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 Espa´┐Żol

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


Dana No: Strunz No: 09.BJ.55





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