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Hilairite

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Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
© Stephan Wolfsried

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Formula:
Na
 
2
Zr[SiO
 
3
]
 
3
 · 3H
 
2
O
System:TrigonalColour:Pale to dark brown, ...
Hardness:4½
This page provides mineralogical data about Hilairite.

Classification of Hilairite

IMA status:Approved
Strunz 8th edition ID:8/F.29-10
Nickel-Strunz 10th (pending) edition ID:9.DM.10

9 : SILICATES (Germanates)
D : Inosilicates
M : Inosilicates with 6-periodic single chains
Dana 8th edition ID:59.2.3.1

59 : CYCLOSILICATES Three-Membered Rings
2 : Three-Membered Rings, hydrated
Hey's CIM Ref.:14.10.10

14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf
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Type Occurrence of Hilairite

Type Locality:Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
Year of Discovery:1974

Physical Properties of Hilairite

Colour:Pale to dark brown, white, yellow, colorless, flesh-pink, rose-red
Hardness (Mohs):4½

Crystallography of Hilairite

Crystal System:Trigonal
Cell Parameters:a = 10.55Å, c = 15.85Å
Ratio:a:c = 1 : 1.502
Unit Cell Volume:V 1,527.79 ų (Calculated from Unit Cell)

Optical Data of Hilairite

Type:Uniaxial (-)
RI values: nω = 1.609 nε = 1.596
Maximum Birefringence:δ = 0.013

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Hilairite

Formula:
Na
 
2
Zr[SiO
 
3
]
 
3
 · 3H
 
2
O
Essential elements:H, Na, O, Si, Zr
All elements listed in formula:H, Na, O, Si, Zr
Common Impurities:Ti,Al,Fe,Mn,Mg,Ca,K

Relationship of Hilairite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.DM.05Stokesite
CaSn[Si
 
3
O
 
9
] · 2H
 
2
O
9.DM.10Calciohilairite
CaZr[SiO
 
3
]
 
3
 · 3H
 
2
O
9.DM.10Komkovite
BaZr[Si
 
3
O
 
9
] · 3H
 
2
O
9.DM.10Sazykinaite-(Y)
Na
 
5
YZr[SiO
 
3
]
 
6
 · 6H
 
2
O
9.DM.10Pyatenkoite-(Y)
Na
 
5
YTi[SiO
 
3
]
 
6
 · 6H
 
2
O
9.DM.15Gaidonnayite
Na
 
2
Zr(Si
 
3
O
 
9
) · 2H
 
2
O
9.DM.15Georgechaoite
NaKZr[Si
 
3
O
 
9
] · 2H
 
2
O
9.DM.20Chkalovite
Na
 
2
BeSi
 
2
O
 
6
9.DM.25Vlasovite
Na
 
2
ZrSi
 
4
O
 
11
9.DM.30Revdite
Na
 
16
Si
 
16
O
 
27
(OH)
 
26
 · 28H
 
2
O
9.DM.35Scheuchzerite
Na(Mn,Mg,Zn)
 
9
[VSi
 
9
O
 
28
(OH)](OH)
 
3
9.DM.40Terskite
Na
 
4
ZrSi
 
6
O
 
16
 · 2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
14.10.1Zircon
ZrSiO
 
4
14.10.2Hafnon
HfSiO
 
4
14.10.3Zektzerite
LiNa(Zr,Ti,Hf)Si
 
6
O
 
15
14.10.4Parakeldyshite
Na
 
2
ZrSi
 
2
O
 
7
14.10.5Vlasovite
Na
 
2
ZrSi
 
4
O
 
11
14.10.6Keldyshite
(Na,H)
 
2
ZrSi
 
2
O
 
7
14.10.7Gaidonnayite
Na
 
2
Zr(Si
 
3
O
 
9
) · 2H
 
2
O
14.10.8Terskite
Na
 
4
ZrSi
 
6
O
 
16
 · 2H
 
2
O
14.10.9Elpidite
Na
 
2
ZrSi
 
6
O
 
15
 · 3H
 
2
O
14.10.11Petarasite
Na
 
5
Zr
 
2
(Si
 
6
O
 
18
)(Cl,OH) · 2H
 
2
O
14.10.12Khibinskite
K
 
2
ZrSi
 
2
O
 
7
14.10.13Wadeite
K
 
2
Zr(Si
 
3
O
 
9
)
14.10.14Dalyite
K
 
2
ZrSi
 
6
O
 
15
14.10.15Kostylevite
K
 
2
Zr(Si
 
3
O
 
9
) · H
 
2
O
14.10.16Umbite
K
 
2
(Zr,Ti)Si
 
3
O
 
9
 · H
 
2
O
14.10.17Paraumbite
K
 
3
Zr
 
2
H(Si
 
3
O
 
9
)
 
2
 · nH
 
2
O
14.10.18Georgechaoite
NaKZr[Si
 
3
O
 
9
] · 2H
 
2
O
14.10.19Gittinsite
CaZrSi
 
2
O
 
7
14.10.20Calciocatapleiite
CaZr(Si
 
3
O
 
9
) · 2H
 
2
O
14.10.21Calciohilairite
CaZr[SiO
 
3
]
 
3
 · 3H
 
2
O
14.10.22Armstrongite
CaZr[Si
 
6
O
 
15
] · 3H
 
2
O
14.10.23Lemoynite
(Na,K)
 
2
CaZr
 
2
Si
 
10
O
 
26
 · 5H
 
2
O
14.10.24Catapleiite
Na
 
2
Zr(Si
 
3
O
 
9
) · 2H
 
2
O
14.10.25Baghdadite
Ca
 
3
(Zr,Ti)(Si
 
2
O
 
7
)O
 
2
14.10.26Lovozerite
Na
 
2
CaZr(H
 
4
Si
 
6
O
 
18
) · H
 
2
O
14.10.27Låvenite
(Na,Ca)
 
2
(Mn
2+
 
,Fe
2+
 
)(Zr,Ti)(Si
 
2
O
 
7
)(O,OH,F)
 
2
14.10.28Penkvilksite
Na
 
4
Ti
 
2
Si
 
8
O
 
22
 · 4H
 
2
O
14.10.29Darapiosite
KNa
 
2
(Zn,Li)
 
3
(Mn,Zr)
 
2
[Si
 
12
O
 
30
]
14.10.30Bazirite
BaZr(Si
 
3
O
 
9
)
14.10.31Komkovite
BaZr[Si
 
3
O
 
9
] · 3H
 
2
O
14.10.32Zirsinalite
Na
 
6
(Ca,Mn
2+
 
,Fe
2+
 
)Zr(Si
 
6
O
 
18
)
14.10.33Tranquillityite
(Fe
2+
 
,Ca)
 
8
(Zr,Y)
 
2
Ti
 
3
(SiO
 
4
)
 
3
O
 
4

Other Names for Hilairite

Synonyms:
IleriteIMA1972-019
Other Languages:
German:Hilairit
Russian:Илерит
Spanish:Hilairita

Other Information

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

References for Hilairite

Reference List:

- +
Canadian Mineralogist: 12: 237-246.

N. V. Zubkova, U. Kolitsch, I. V. Pekov, A. G. Turchkova, M. F. Vigasina, D. Yu. Pushcharovsky and E. Tillmanns (2009): Crystal chemistry of Rb-, Sr-, Ba-, Ca- and Pb-exchanged forms of natural hilairite. Eur. J. Mineral. 21, 495-506.

I. V. Pekov, A. A. Grigorieva, N. V. Zubkova, A. G. Turchkova and D. Yu. Pushcharovsky (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 Hilairite

Search Engines:
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    • External Links:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Hilairite details from Handbook of Mineralogy (PDF)
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  • Rare and Unusual minerals at Mineralogical Research Company
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  • Search for - Hilairite - on e-Rocks Mineral Sales & Auctions
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    • Localities for Hilairite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? 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.
    Brazil
     
    • Minas Gerais
      • Poços de Caldas plateau
        • Poços de Caldas
    		Horváth, Menezes, Toft collections - confirmed by XRD & microprobe; Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
    Canada
     
    • Québec
      • Montérégie
        • Lajemmerais RCM
          • Varennes & St-Amable
            • Saint-Amable sill
    		Mineralogical Record: 29: 83.
        • Rouville 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.
    • Québec & Newfoundland and Labrador
    		Miller (1996), Can.Min.: 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.
    Norway
     
    • 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
        • Farris
    		OT. Ljøstad specimen and photo. Visually identified
        • 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
        • 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. : Mineralene fra Midtfjellet larvikittbrudd, Malerød, Larvik. 41-47
    Portugal
     
    • Faro District
      • 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)
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • 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.
    www.koeln.netsurf.de/~w.steffens/lovo.htm
    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.
    www.koeln.netsurf.de/~w.steffens/vuori.htm; Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
    South Africa
     
    • Northwest Province
      • Western Bushveld Complex
        • Rustenburg District
          • Pilansberg Complex
    		The Canadian Mineralogist, V 42, 2004, pp. 1169-1178.
    Mineral and/or Locality
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