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About HilairiteHide

Na2Zr[SiO3]3 · 3H2O
Pale to dark brown, white, yellow, colorless, flesh-pink, rose-red
Specific Gravity:
Crystal System:
Named for the type locality of Mont St. Hilaire, Canada.
This page provides mineralogical data about Hilairite.

Classification of HilairiteHide

First Published:

9 : SILICATES (Germanates)
D : Inosilicates
M : Inosilicates with 6-periodic single chains

59 : CYCLOSILICATES Three-Membered Rings
2 : Three-Membered Rings, hydrated

14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf

Physical Properties of HilairiteHide

Transparent, Translucent, Opaque
Pale to dark brown, white, yellow, colorless, flesh-pink, rose-red
4½ on Mohs scale
None Observed
2.724 g/cm3 (Measured)    2.739 g/cm3 (Calculated)

Optical Data of HilairiteHide

Uniaxial (-)
RI values:
nω = 1.609 nε = 1.596
Max Birefringence:
δ = 0.013
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of HilairiteHide

Na2Zr[SiO3]3 · 3H2O
IMA Formula:
Na2ZrSi3O9 · 3H2O
Common Impurities:

Crystallography of HilairiteHide

Crystal System:
Cell Parameters:
a = 10.55 Å, c = 15.85 Å
a:c = 1 : 1.502
Unit Cell V:
1,527.79 ų (Calculated from Unit Cell)
Prism {11-20} and rhombohedron {01-12}. Typically elongated along the prism.
Two twin laws. Often multiple-twinned with both laws.

Type Occurrence of HilairiteHide

Place of Conservation of Type Material:
Canadian Museum of Nature, Ottawa, Canada.
Royal Ontario Museum, Toronto, Canada, 34803.
Chao, G.Y., Watkinson, D.H., Chen, T.T. (1974) Hilairite, Na2ZrSi3O9•3H2O, a new mineral from Mont St. Hilaire, Quebec. Canadian Mineralogist: 12: 237-240.

Synonyms of HilairiteHide

Other Language Names for HilairiteHide

Traditional Chinese:三水鈉鋯石

Common AssociatesHide

Associated Minerals Based on Photo Data:
Natrolite14 photos of Hilairite associated with Natrolite on mindat.org.
Analcime12 photos of Hilairite associated with Analcime on mindat.org.
Pyrite11 photos of Hilairite associated with Pyrite on mindat.org.
Gaidonnayite10 photos of Hilairite associated with Gaidonnayite on mindat.org.
Calcite8 photos of Hilairite associated with Calcite on mindat.org.
Gonnardite4 photos of Hilairite associated with Gonnardite on mindat.org.
Strontianite4 photos of Hilairite associated with Strontianite on mindat.org.
Microcline3 photos of Hilairite associated with Microcline on mindat.org.
Eudidymite2 photos of Hilairite associated with Eudidymite on mindat.org.
Albite2 photos of Hilairite associated with Albite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DM.05StokesiteCaSn[Si3O9] · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnna
9.DM.10CalciohilairiteCaZr[SiO3]3 · 3H2OTrig.
9.DM.10KomkoviteBaZr[Si3O9] · 3H2OTrig.
9.DM.10Sazykinaite-(Y)Na5YZr[SiO3]6 · 6H2O
9.DM.10Pyatenkoite-(Y)Na5YTi[SiO3]6 · 6H2OTrig.
9.DM.15GaidonnayiteNa2Zr(Si3O9) · 2H2OOrth. mmm (2/m 2/m 2/m) : Pmna
9.DM.15GeorgechaoiteNaKZr[Si3O9] · 2H2OOrth. mm2
9.DM.20ChkaloviteNa2BeSi2O6Orth. mm2 : Fdd2
9.DM.25VlasoviteNa2ZrSi4O11Mon. 2/m : B2/b
9.DM.30RevditeNa16Si16O27(OH)26 · 28H2OMon. 2 : B2
9.DM.35ScheuchzeriteNa(Mn,Mg,Zn)9[VSi9O28(OH)](OH)3Tric. 1 : P1
9.DM.40TerskiteNa4ZrSi6O16 · 2H2OOrth.

Related Minerals - Dana Grouping (8th Ed.)Hide[SiO3]3 · 3H2OTrig.[SiO3]6 · 6H2O

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.10.1ZirconZr(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
14.10.2HafnonHfSiO4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
14.10.5VlasoviteNa2ZrSi4O11Mon. 2/m : B2/b
14.10.6Keldyshite(Na,H)2ZrSi2O7Tric. 1 : P1
14.10.7GaidonnayiteNa2Zr(Si3O9) · 2H2OOrth. mmm (2/m 2/m 2/m) : Pmna
14.10.8TerskiteNa4ZrSi6O16 · 2H2OOrth.
14.10.9ElpiditeNa2ZrSi6O15 · 3H2OOrth.
14.10.11PetarasiteNa5Zr2(Si6O18)(Cl,OH) · 2H2OMon. 2/m : P21/m
14.10.15KostyleviteK2Zr(Si3O9) · H2OMon.
14.10.16UmbiteK2(Zr,Ti)Si3O9 · H2OOrth.
14.10.17ParaumbiteK3Zr2H(Si3O9)2 · nH2OOrth.
14.10.18GeorgechaoiteNaKZr[Si3O9] · 2H2OOrth. mm2
14.10.20CalciocatapleiiteCaZr(Si3O9) · 2H2O
14.10.21CalciohilairiteCaZr[SiO3]3 · 3H2OTrig.
14.10.22ArmstrongiteCaZr[Si6O15] · 3H2OMon.
14.10.23Lemoynite(Na,K)2CaZr2Si10O26 · 5H2OMon. 2/m : B2/b
14.10.24CatapleiiteNa2Zr(Si3O9) · 2H2OMon.
14.10.26LovozeriteNa2Ca(Zr,Ti)(Si6O12)[(OH)4O2] · H2OMon.
14.10.27Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2Mon. 2/m : P21/b
14.10.28PenkvilksiteNa4Ti2Si8O22 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
14.10.29DarapiositeK(Na,◻,K)2(Li,Zn,Fe)3(Mn,Zr,Y)2[Si12O30]Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
14.10.31KomkoviteBaZr[Si3O9] · 3H2OTrig.

Other InformationHide

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 HilairiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chao, G.Y., Watkinson, D.H., Chen, T.T. (1974) Hilairite, Na2ZrSi3O9•3H2O, a new mineral from Mont St. Hilaire, Quebec. Canadian Mineralogist: 12: 237-240.
Ilyushin, G.D., Voronkov, A.A., Nevskii, N.N., Ilyukin, V.V., Belov, N.V. (1981) Crystal structure of hilairite, Na2ZrSi3O9•3H2O. Soviet Physics Doklady: 26: 916-917.
Pekov, I.V., Chukanov, N.V., Konokova, N.N., Pushcharovsky, D.Y. (2003) Rare metal «zeolites» of the hilairite group. New Data on Minerals. Moscow: 38: 20-33.
Zubkova, N.V., Pekov, I.V., Turchkova, A.G., Pushcharovskii, D.Yu., Merlino, S., Pasero, M., Chukanov, N.V. (2007) Crystal structures of potassium-exchanged forms of catapleiite and hilairite. Crystallography Reports: 52: 65-70.
Zubkova, N.V., Kolitsch, U., Pekov, I.V., Turchkova, A.G., Vigasina, M.F., Pushcharovsky, D.Yu., Tillmanns, E. (2009) Crystal chemistry of Rb-, Sr-, Ba-, Ca- and Pb-exchanged forms of natural hilairite. European Journal of Mineralogy: 21: 495-506.
Pekov, I.V., Grigorieva, A.A., Zubkova, N.V., Turchkova, A.G., Pushcharovsky, D.Yu. (2010) Crystal Chemistry of Cation-Exchanged Forms of Hilairite: New Experimental Data and Chemical Composition—Structure—Genesis Relations. Crystallography Reports: 55: 1031-1040.

Internet Links for HilairiteHide

Localities for HilairiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Minas Gerais
    • Poços de Caldas alkaline complex
      • Poços de Caldas
Horváth, Menezes, Toft collections - confirmed by XRD & microprobe; Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
Canada (TL)
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Chao, G.Y., Watkinson, D.H. and Chen, T.T. (1974), Hilairite, Na2ZrSi3O9 73H2O, a new mineral from Mont St.-Hilaire, Quebec. Canadian Mineralogist: 12: 237-240. HORVÁTH, L., and GAULT, R.G. (1990) The mineralogy of Mont Saint Hilaire. Mineralogical Record, 21, 284 359.
      • Lajemmerais RCM
        • Varennes & St-Amable
HORVÁTH, L., PFENNINGER HORVÁTH, E., GAULT, R.A., and TARASSOFF, P. (1998) Mineralogy of the Saint Amable sill, Varennes and Saint Amable, Québec, Canada. Mineralogical Record, 29, 83 118.
Horváth, L., Pfenninger-Horváth, E., Gault, R. A., & Tarassoff, P. (1998): Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Québec. Mineralogical Record, 29: 83-118.
  • Québec & Newfoundland and Labrador
Miller (1996), Canadian Mineralogist: 34:349-371; Salvi & Williams-Jones (1995); Am.Min.: 80:1031-1040; Miller (1990), Newfoundland Dept. of Mines & Energy Geol. Sur. Report 90-1: 171-182.; BIRKETT, T.C., MILLER, R.R., ROBERTS, A.C., & MARIANO, A.N. (1992) Zirconium bearing minerals from the Strange Lake intrusive complex, Quebec Labrador. Canadian Mineralogist, 30, 191-205.
  • Khomas Region
    • Windhoek District
      • Aris
Horváth collection confirmed by XRD. Horváth, L. & Horváth, E. (2011): Hilairite from the Ariskop quarry, Aris, Namibia. Aris Group Bulletin #16 (2011 11 28); Kolitsch, U., Blaß, G., Jahn, S., Cámara, F., von Bezing, L., Wartha, R. R., Tremmel, G., Sturla, M., Cerea, P., Skebo, M. and Ciriotti, M. E. (2016): Aris - mineralogy of the famous alkaline phonolite. AMI - Associazione Micromineralogica Italiana, Cremona, Italy, 95 pp.
  • Telemark
    • Porsgrunn
      • Langesundsfjorden
        • Siktesøya
Larsen, A.O. & Raade, G. (1991): Gaidonnayite from the nepheline syenite pegmatite on Siktesøya in the southern part of the Oslo Region, norway. Norsk Geologisk Tidsskrift. 71: 303-306
  • Vestfold
    • Larvik
      • Hedrum
        • Lågendalen
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71; Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
        • Lysebo
OT. Ljøstad specimen and photo. Visually identified
      • Langesundsfjorden
        • Vesle Arøya
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
      • Malerød
Larsen, A.O. (ed.) (2010): "The Langesundsfjord, History, Geology, Pegmatites, Minerals" , Bode Verlag GmBH.; Andresen, P. (2011): Mineralene fra Midtfjellet larvikittbrudd, Malerød, Larvik. Norsk Bergverksmuseum Skrift. 46: 41-47
      • Tvedalen
        • Tuften (Tuften 1 Quarry; Tuften 2 Quarry)
Peter Andresen collection.
  • Faro
    • Monchique
      • Monchique
- P. ALVES, C. LEAL GOMES (2010). Mineralização Sr-Ba tardia em cavidades de rochas filonianas subsaturadas do Maciço Alcalino de Monchique. CNG 2010 (Braga, Portugal)
  • Murmansk Oblast
    • Khibiny Massif
      • Kukisvumchorr Mt
Lapis 28(12), 46-47 (2003); Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
I.V. Pekov data; Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
    • Northern Karelia
www.koeln.netsurf.de/~w.steffens/vuori.htm; Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
South Africa
  • North West
    • Bojanala Platinum District
MITCHELL, R.H. & LIFEROVICH, R.P. (2004) Ecandrewsite - zincian pyrophanite from lujavrite. Pilansber alkaline complex, South Africa. Canadian Mineralogist), 42, 1169-1178.
Mineral and/or Locality  
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