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Gaidonnayite

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

Show Gaidonnayite Photos (26)
Formula:
Na
 
2
Zr[Si
 
3
O
 
9
]·2H
 
2
O
System:Orthorhombic
Dimorph of:Catapleiite


Catapleiite Group. The orthorhombic dimorph of Catapleiite.

Classification of Gaidonnayite

IMA status:Approved
Strunz 8th edition ID:8/E.04-30
Nickel-Strunz 10th (pending) edition ID:9.DM.15

9 : SILICATES (Germanates)
D : Inosilicates
M : Inosilicates with 6-periodic single chains
Dana 8th edition ID:59.2.2.3

59 : CYCLOSILICATES Three-Membered Rings
2 : Three-Membered Rings, hydrated
Hey's CIM Ref.:14.10.7

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

Type Locality:Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville Co., Québec, Canada
Year of Discovery:1973

Crystallography of Gaidonnayite

Crystal System:Orthorhombic
Cell Parameters:a = 11.74Å, b = 12.82Å, c = 6.69Å
Ratio:a:b:c = 0.916 : 1 : 0.522
Unit Cell Volume:V 1,006.89 ų (Calculated from Unit Cell)

Optical Data of Gaidonnayite

Type:Biaxial (+)
RI values: nα = 1.573 nβ = 1.592 nγ = 1.599
Maximum Birefringence:δ = 0.026

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

Chemical Properties of Gaidonnayite

Formula:
Na
 
2
Zr[Si
 
3
O
 
9
]·2H
 
2
O
Essential elements:H, Na, O, Si, Zr
All elements listed in formula:H, Na, O, Si, Zr
Common Impurities:Ti,Nb,Ca,K

Relationship of Gaidonnayite 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.10Hilairite
Na
 
2
Zr[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.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
Zr[SiO
 
4
]
14.10.2Hafnon
(Hf,Zr)[SiO
 
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
14.10.8Terskite
Na
 
4
ZrSi
 
6
O
 
16
·2H
 
2
O
14.10.9Elpidite
Na
 
2
ZrSi
 
6
O
 
15
·3H
 
2
O
14.10.10Hilairite
Na
 
2
Zr[SiO
 
3
]
 
3
·3H
 
2
O
14.10.11Petarasite
Na
 
5
Zr
 
2
[(OH,Cl)|Si
 
6
O
 
18
]·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
ZrSi
 
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
CaZr[Si
 
2
O
 
7
]
14.10.20Calciocatapleiite
CaZrSi
 
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)[O
 
2
|Si
 
2
O
 
7
]
14.10.26Lovozerite
(Na,Ca)
 
3
(Zr,Ti)[Si
 
6
(O,OH)
 
18
]
14.10.27Låvenite
(Na,Ca)
 
2
(Mn
2+
 
,Fe
2+
 
)(Zr,Ti)[(O,OH,F)
 
2
|Si
 
2
O
 
7
]
14.10.28Penkvilksite
(Na,Ca)
 
4
(Ti,Zr)
 
2
Si
 
8
O
 
22
·5H
 
2
O
14.10.29Darapiosite
KNa
 
2
Li(Mn,Zn)
 
2
ZrSi
 
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
[O
 
4
|SiO
 
4
]
 
3

Other Names for Gaidonnayite

Synonyms:
IMA1973-008
German names:
Gaidonnayit
Russian names:
Гейдоннеит
Spanish names:
Gaidonnayita

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 Gaidonnayite

Reference List:Canadian Mineralogist: 12: 316-319.

Canadian Mineralogist: 23: 11-15.

Internet Links for Gaidonnayite

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    Localities for Gaidonnayite

    Hide Locality List
    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.
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    (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
     
    • Southeast Region
      • Minas Gerais
    		No reference listed
    Horváth, Menezes, Toft ollections - confirmed by XRD & microprobe
    Canada
     
    • Québec
      • Jacques Cartier Co.
        • Montréal
    		Canadian Museum of Nature collection
      • Rouville Co.
        • Mont Saint-Hilaire
    		Chao G.Y. (1973), The crystal structure of gaidonnayite, orthorhombic Na2ZrSi3O9 7 2H2O. Canadian Mineralogist: 12: 143-44; Chao, G.Y., Watkinson, D.H. (1974), Gaidonnayite, Na2ZrSi3O9 7 2H2O, a new mineral from Mont St.-Hilaire, Quebec. Canadian Mineralogist: 12: 316-319; Chao, G.Y. (1985), The crystal structure of gaidonnayite 2ZrSi3O9 7 2H2O. Canadian Mineralogist: 23: 11-15.
      • Témiscamingue Co.
        • Villedieu Township
          • Sheffield Lake
      • Verchères Co.
        • Varennes & St-Amable
          • Saint-Amable sill
    		Mineralogical Record: 29: 83.
    Greenland
     
    • Kitaa (West Greenland) Province
      • Narsaq
        • Igaliku (Igaliko)
          • Narssârssuk (Narsarsuk)
    Norway
     
    • Telemark
      • Porsgrunn
        • Langesundsfjorden
          • Siktesøya
    		Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
    • Vestfold
      • Larvik
        • Tvedalen
    		Collection of Peter Andresen.
        • Vardaasen
    		Collection of Peter Andresen.
    Collection of OT Ljøstad.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		Pekov, I.V. & Podlesnyi, A.S. (2004): Kukisvumchorr Deposit: Mineralogy of Alkaline Pegmatites and Hydrotermalites. Mineralogical Almanac, vol. 7, 140 pages + xxiv photo's pages
    www.koeln.netsurf.de/~w.steffens/lovo.htm
    USA
     
    • Arkansas
      • Pulaski Co.
        • Little Rock
        • Sweet Home
          • Granite Mountain complex
    		No reference listed
    • New Mexico
      • Otero Co.
        • Cornudas Mountains
    Mineral and/or Locality
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