Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Hafnon

This page is currently not sponsored. Click here to sponsor this page.
Formula:
HfSiO4
System:
Tetragonal
Colour:
Red-orange, ...
Hardness:
Member of:
Name:
In allusion to its composition, being a silicate of HAFNium, and ending in "ON" in allusion to, and to be consistent with, its relationship to ZircON.
Zircon Group.

The hafnium analogue of Thorite and Zircon. Zircon-Hafnon Series.

Classification of Hafnon

Approved
9.AD.30

9 : SILICATES (Germanates)
A : Nesosilicates
D : Nesosilicates without additional anions; cations in [6] and/or greater coordination
51.5.2.2

51 : NESOSILICATES Insular SiO4 Groups Only
5 : Insular SiO4 Groups Only with cations in >[6] coordination
14.10.2

14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf
mindat.org URL:
http://www.mindat.org/min-1792.html
Please feel free to link to this page.

Type Occurrence of Hafnon

Year of Discovery:
1974
Geological Setting of Type Material:
Tantalum-bearing granitic pegmatites.
Associated Minerals at Type Locality:

Physical Properties of Hafnon

Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Red-orange, brown-yellow, colourless (rare)
Hardness (Mohs):

Crystallography of Hafnon

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
I41/amd
Cell Parameters:
a = 6.57Å, c = 5.96Å
Ratio:
a:c = 1 : 0.907
Unit Cell Volume:
V 257.26 ų (Calculated from Unit Cell)
Morphology:
Crystals euhedral to irregular. Often zoned with zircon.

Optical Data of Hafnon

Type:
Uniaxial (+)
RI values:
nω = 1.930 - 1.970 nε = 1.980 - 2.030
Max Birefringence:
δ = 0.050
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of Hafnon

Formula:
HfSiO4
Essential elements:
All elements listed in formula:

Relationship of Hafnon to other Species

Series:
Forms a series with Zircon (see here)
Member of:
Other Members of Group:
StetinditeCe4+SiO4
Thorite(Th,U)SiO4
ZirconZrSiO4
9.AD.05LarniteCa2SiO4
9.AD.10Calcio-olivineCa2SiO4
9.AD.15MerwiniteCa3Mg(SiO4)2
9.AD.20BredigiteCa7Mg(SiO4)4
9.AD.25AndraditeCa3Fe23+(SiO4)3
9.AD.25AlmandineFe32+Al2(SiO4)3
9.AD.25Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
9.AD.25GoldmaniteCa3V23+(SiO4)3
9.AD.25GrossularCa3Al2(SiO4)3
9.AD.25HenritermieriteCa3(Mn3+,Al)2(SiO4)2(OH)4
9.AD.25HibschiteCa3Al2(SiO4)3-x(OH)4x
9.AD.25HydroandraditeCa3Fe23+(SiO4)3-x(OH)4x
9.AD.25KatoiteCa3Al2(SiO4)3-x(OH)4x
9.AD.25KimzeyiteCa3(Zr,Ti)2((Si,Al,Fe3+)O4)3
9.AD.25KnorringiteMg3Cr2(SiO4)3
9.AD.25MajoriteMg3(Fe2+,Si,Al)2(SiO4)3
9.AD.25MorimotoiteCa3(Ti,Fe2+,Fe3+)2((Si,Fe3+)O4)3
9.AD.25PyropeMg3Al2(SiO4)3
9.AD.25SchorlomiteCa3(Ti,Fe3+)2((Si,Fe3+)O4)3
9.AD.25SpessartineMn32+Al2(SiO4)3
9.AD.25UvaroviteCa3Cr2(SiO4)3
9.AD.25Wadalite(Ca,Mg)6(Al,Fe3+)4((Si,Al)O4)3O4Cl3
9.AD.25HoltstamiteCa3(Al,Mn3+)2(SiO4)2(OH)4
9.AD.25KerimasiteCa3Zr2(SiO4)(Fe3+O4)2
9.AD.25ToturiteCa3Sn2(SiO4)(Fe3+O4)2
9.AD.25Momoiite(Mn2+,Ca)3V23+(SiO4)3
9.AD.25EltyubyuiteCa12Fe103+Si4O32Cl6
9.AD.25HutcheoniteCa3Ti2(SiAl2)O12
9.AD.30Coffinite(U4+,Th)(SiO4)1-x(OH)4x
9.AD.30Thorite(Th,U)SiO4
9.AD.30ZirconZrSiO4
9.AD.30StetinditeCe4+SiO4
9.AD.35HuttoniteThSiO4
9.AD.35Tombarthite-(Y)Y4(Si,H4)4O12-x(OH)4+2x
9.AD.40EulytineBi4(SiO4)3
9.AD.45ReiditeZrSiO4
14.10.1ZirconZrSiO4
14.10.3ZektzeriteLiNa(Zr,Ti,Hf)Si6O15
14.10.4ParakeldyshiteNa2ZrSi2O7
14.10.5VlasoviteNa2ZrSi4O11
14.10.6Keldyshite(Na,H)2ZrSi2O7
14.10.7GaidonnayiteNa2Zr(Si3O9) · 2H2O
14.10.8TerskiteNa4ZrSi6O16 · 2H2O
14.10.9ElpiditeNa2ZrSi6O15 · 3H2O
14.10.10HilairiteNa2Zr[SiO3]3 · 3H2O
14.10.11PetarasiteNa5Zr2(Si6O18)(Cl,OH) · 2H2O
14.10.12KhibinskiteK2ZrSi2O7
14.10.13WadeiteK2Zr(Si3O9)
14.10.14DalyiteK2ZrSi6O15
14.10.15KostyleviteK2Zr(Si3O9) · H2O
14.10.16UmbiteK2(Zr,Ti)Si3O9 · H2O
14.10.17ParaumbiteK3Zr2H(Si3O9)2 · nH2O
14.10.18GeorgechaoiteNaKZr[Si3O9] · 2H2O
14.10.19GittinsiteCaZrSi2O7
14.10.20CalciocatapleiiteCaZr(Si3O9) · 2H2O
14.10.21CalciohilairiteCaZr[SiO3]3 · 3H2O
14.10.22ArmstrongiteCaZr[Si6O15] · 3H2O
14.10.23Lemoynite(Na,K)2CaZr2Si10O26 · 5H2O
14.10.24CatapleiiteNa2Zr(Si3O9) · 2H2O
14.10.25BaghdaditeCa3(Zr,Ti)(Si2O7)O2
14.10.26LovozeriteNa2Ca(Zr,Ti)(Si6O12)[(OH)4O2] · H2O
14.10.27Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
14.10.28PenkvilksiteNa4Ti2Si8O22 · 4H2O
14.10.29DarapiositeKNa2(Zn,Li)3(Mn,Zr)2[Si12O30]
14.10.30BaziriteBaZr(Si3O9)
14.10.31KomkoviteBaZr[Si3O9] · 3H2O
14.10.32ZirsinaliteNa6(Ca,Mn2+,Fe2+)Zr(Si6O18)
14.10.33Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O4

Other Names for Hafnon

Name in Other Languages:
Russian:Гафнон

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Hafnon

Reference List:
Salt, D.J. and Hornung, G. (1967) Synthesis and X-ray study of hafnium silicate. Journal of the American Ceramic Society: 50: 549-550.

Correia Neves, J.M., Lopes Nunes, J.E., and Sahama, T.G. (1974) High hafnium members of nthe zircon-hafnon series from the granite pegmatites of Zambézia, Mozambique. Contributions to Mineralogy and Petrology: 48: 73-80.

American Mineralogist (1976): 61: 175 (abstract).

Speer, J.A. and B.J. Cooper (1982) Crystal structure of synthetic hafnon, HfSiO4, comparison with zircon and the actinide orthosilicates. American Mineralogist: 67: 804-808.

Internet Links for Hafnon

Localities for Hafnon

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Australia
 
  • Western Australia
    • Yilgarn shire
      • Mount Holland pegmatite field
M. Jacobson, M. Calderwood, B. Grguric; Pegmatites of Western Australia; (Perth 2007) and conversations between writer (Kim Macdonald) and owner of lease Fred Rose in 2012.
Canada
 
  • Manitoba
    • Lac-du-Bonnet area
      • Bernic Lake
Canadian Mineralogist Vol. 15, pp.489-499 (1977)
  • Ontario
    • Renfrew Co.
      • Lyndoch Township
Verified Scott Ercit, National Museums of Canada
  • Québec
    • Outaouais
      • Les Collines-de-l'Outaouais RCM
        • Val-des-Monts
Rock & Min. 82, 412; Hilderley, M., Ercit, T.S., Rowe, R.A. (2006) 33rd Rochester Mineralogical Symposium, abstracts, 13-14.
Morocco
 
  • Marrakech-Tensift-El Haouz Region
    • El Kelaâ des Sraghna Province
Fontan, F. (1978) : Etude minéralogique et essais expérimentaux sur les phosphates de fer et de manganèse des pegmatites des Jebilet (Maroc) et des Pyrénées (France), PhD thesis, Toulouse, 272 p.
Mozambique (TL)
 
  • Zambezia Province
    • Alto Ligonha District
Contributions to Mineralogy and Petrology 48, 73-80
Contr. Mineral. Petrol., 48, 73-80. (2) (1976); American Mineralogist, 61, pp. 175(1976); Contributions to Mineralogy and Petrology 48, 73-80
Contributions to Mineralogy and Petrology 48, 73-80 ; Dias, M. Bettencourt and Wilson, W. E., 2000, Mineralogical Record, 31:459-497.
Wolfgang Henckel
USA
 
  • North Carolina
    • Yancey Co.
      • Spruce Pine District
        • Burnsville
          • Hurricane Mountain
"Mineralogy of the Ray Mica Mine, Yancey County, N.C." by J.W. Miller and C.W. Allen
Zimbabwe
 
  • Masvingo
    • Bikita area
Cerny, P., Anderson, A. J., Tomascak, P. B., & Chapman, R. (2003). Geochemical and morphological features of beryl from the Bikita granitic pegmatite, Zimbabwe. The Canadian Mineralogist, 41(4), 1003-1011.
J. W. Anthony et al.: Handbook of Mineralogy, Vol. III (1997)
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2015, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: May 25, 2015 06:43:02 Page generated: May 24, 2015 23:33:19