Zircon Mineral Data + Say ZIRCON

General Zircon Information
Help on Chemical Formula: Chemical Formula: ZrSiO4
Help on Composition: Composition: Molecular Weight = 183.31 gm
   Zirconium  49.77 %  Zr   67.22 % ZrO2
   Silicon    15.32 %  Si   32.78 % SiO2
   Oxygen     34.91 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: ZrSiO4
Help on Environment: Environment: Magmatic, metamorphic, pegmatitic, and alluvial rocks..
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) Prehistoric
Help on Locality: Locality: Laacher See, Niedermendig, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from its containing the element, zirconium; which was named from the Arabic, zargun = "gold color."
Help on Synonym: Synonym: Cyrtolite
  Hyacinth - orange red
  ICSD 71943
  Jarcon - colorless
  Malacon
  PDF 6-266
 

Zircon Image

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Zircon

Comments: Clear, crystalline zircon prism with pyramidal termination.
Location: Laacher See, Rhineland-Palatinate, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
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Zircon   Perrierite-(Ce)   Pyrochlore   Loparite-(Ce)

Comments: Reddish black perrierite crystal, with orange-brown pyrochlore crystal, yellow-brown zircon, and grayish-black loparite.
Location: Buer, Bjorkedalen, Langesundfjord, Telemark, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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Zircon

Comments: Deep red-wine colored, lustrous, internally bright zircon crystals in matrix.
Location: Thorfjord, Seiland, Alta, Norway. Scale: 13 x 10.5 x 9 cm.
© Rob Lavinsky
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Zircon

Comments: Cathodoluminescence image of earth's oldest-known mineral (zircon grain - W74/2-36) with inset concordia plot showing the 4,404 billion year old region. Note the oscillatory zoning in the outer rim. Image by John W. Valley.
Location: Interlayered red quartzites and metaconglomerates, Jack Hills, Western Australia. Scale: See Image.
© University of Wisconsin

Zircon Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.90536
Help on Cell Dimensions: Cell Dimensions: a = 6.604, c = 5.979, Z = 4; V = 260.76 Den(Calc)= 4.67
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: I 41/amd
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.3(1), 2.518(0.45), 4.43(0.45),
Help on Forms: Forms:

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Forms: [ 3 3 1] [ 1 1 0] [ 1 1 1]

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Robinson K , Gibbs G V , Ribbe P H , American Mineralogist , 56 (1971) p.782-790, The structure of zircon: A comparison with garnet

View Additional jPOWD Structure files for Zircon
[1] [10] [11] [12] [13] [14] [15] [16] [17] [18] [2] [3] [4] [5] [6] [7] [8] [9]
 

Physical Properties of Zircon

Help on Cleavage: Cleavage: [110] Indistinct
Help on Color: Color: Brown, Reddish brown, Colorless, Gray, Green.
Help on Density: Density: 4.6 - 4.7, Average = 4.65
Help on Diaphaniety: Diaphaniety: Transparent to translucent to opaque
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Crystalline - Fine - Occurs as well-formed fine sized crystals.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 7.5 - Garnet
Help on Luminescence: Luminescence: Fluorescent and radioactive, Short UV=yellow, Long UV=dull red.
Help on Luster: Luster: Adamantine
Help on Streak: Streak: white
 

Optical Properties of Zircon

Help on Dichroism (e): Dichroism (e): colorless.
Help on Dichroism (w): Dichroism (w): colorless.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.016 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2067,KPDmeas= 0.2076,KC= 0.21
Help on Optical Data: Optical Data: Uniaxial (-), e=1.92-1.96, w=1.967-2.015, bire=0.0470-0.0550.
 

Calculated Properties of Zircon

Help on Electron Density: Electron Density:

relectron=4.36 gm/cc
note: rZircon =4.65 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.06315
Boson Index = 0.93685
Help on Photoelectric: Photoelectric:

PEZircon = 68.77 barns/electron
U=PEZircon x relectron= 300.07 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Zircon is Not Radioactive
 

Zircon Classification
Help on Dana Class: Dana Class: 51.5.2.1 (51)Nesosilicate Insular SiO4 Groups Only
  (51.5)with cations in >[6] coordination
  (51.5.2)Zircon group
 
51.5.2.1 Zircon ZrSiO4 I 41/amd 4/m 2/m 2/m
 
51.5.2.2 Hafnon HfSiO4 I 41/amd 4/m 2/m 2/m
 
51.5.2.3 Thorite ThSiO4 I 41/amd 4/m 2/m 2/m
 
51.5.2.4 Coffinite U(SiO4)1-x(OH)4x I 41/amd 4/m 2/m 2/m
 
51.5.2.5 Thorogummite Th(SiO4)1-x(OH)4x I 41/amd 4/m 2/m 2/m
Help on Strunz Class: Strunz Class: VIII/A.09-10 VIII - Silicates
  VIII/A - Nesosilicates with [SiO4]4-groups, cations of octahedral and cubic orientation [8+6]
  VIII/A.09 - Zircon - Thorogummite series
 
VIII/A.09-05 Reidite! ZrSiO4 I 41/a 4/m
 
VIII/A.09-10 Zircon ZrSiO4 I 41/amd 4/m 2/m 2/m
 
VIII/A.09-20 Hafnon HfSiO4 I 41/amd 4/m 2/m 2/m
 
VIII/A.09-30 Thorite ThSiO4 I 41/amd 4/m 2/m 2/m
 
VIII/A.09-40 Coffinite U(SiO4)1-x(OH)4x I 41/amd 4/m 2/m 2/m
 
VIII/A.09-50 Thorogummite Th(SiO4)1-x(OH)4x I 41/amd 4/m 2/m 2/m
 

Other Zircon Information
Help on References: References: NAME( Emsley91) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Heinrich65)
Help on See Also: See Also: Links to other databases for Zircon :
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 -Am. Min. Crystal Structure Database 4 - Amethyst Galleries' Mineral Gallery 5 - Applied Mineralogy 6 -Athena 7 - CalTech Mineral Spectroscopy 8 - EUROmin Project 9 - Franklin Minerals(Dunn) 10 - Franklin Minerals(Palache) 11 - Glendale Community College 12 -Google Images 13 -Google Scholar 14 -Handbook of Mineralogy (MinSocAm) 15 -Handbook of Mineralogy (UofA) 16 - HyperPhysics 17 -MinDAT 18 -MinMax(Deutsch) 19 -MinMax(English) 20 - Mineral and Gemstone Kingdom 21 -Mineralienatlas (Deutsch) 22 - Minerals of Wisconsin 23 -NSDL Reciprocal Net (JAVA) 24 - Philatelic Mineralogy 25 -QUT Mineral Atlas 26 - Scandinavian mineral gallery 27 - Thin Sections - Brock University 28 - Tradeshop.com - The Rainbow of Gems 29 - UCLA - Petrography Thin-Sections 30 -University of Colorado - Mineral Structure Data 31 - University of Manchester - Mineral Structure 32 -University of Texas at Austin 33 - WWW-MINCRYST 34 -École des Mines de Paris

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Zircon

ZrSiO4
Dana No: 51.5.2.1 Strunz No: VIII/A.09-10
Locality:

 

Notes:

 
 
   
 
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