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Wadeite

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Big Photo

Wadeite point, Eveslogchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© Elmar Lackner

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Formula:
K
 
2
Zr(Si
 
3
O
 
9
)
System:HexagonalColour:Colourless, light blue ...
Hardness:5½ - 6
Member of:Benitoite Group
Name:Named after Arthur Wade (1878-1951), British-born Australian petroleum geologist, who first collected the material.
This page provides mineralogical data about Wadeite.

Classification of Wadeite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/E.01-40
Nickel-Strunz 10th (pending) edition ID:9.CA.10

9 : SILICATES (Germanates)
C : Cyclosilicates
A : [Si3O9]6- 3-membered single rings (dreier-Einfachringe), without insular complex anions
Dana 8th edition ID:59.1.1.4

59 : CYCLOSILICATES Three-Membered Rings
1 : Three-Membered Rings, anhydrous, no other anions
Hey's CIM Ref.:14.10.13

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

Type Locality:Walgidee Hills lamproite, Noonkanbah Station, Derby-West Kimberley Shire, Western Australia, Australia
Year of Discovery:1938

Physical Properties of Wadeite

Lustre:Adamantine
Diaphaneity (Transparency):Transparent
Colour:Colourless, light blue or pink
Hardness (Mohs):5½ - 6

Crystallography of Wadeite

Crystal System:Hexagonal
Cell Parameters:a = 6.89Å, c = 10.17Å
Ratio:a:c = 1 : 1.476
Unit Cell Volume:V 418.11 ų (Calculated from Unit Cell)

Optical Data of Wadeite

Type:Uniaxial (+)
RI values: nω = 1.625 nε = 1.655
Maximum Birefringence:δ = 0.030

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

Chemical Properties of Wadeite

Formula:
K
 
2
Zr(Si
 
3
O
 
9
)
Essential elements:K, O, Si, Zr
All elements listed in formula:K, O, Si, Zr
Common Impurities:Ti,Al,Fe,Mg,Sr,Na,H2O,P

Relationship of Wadeite to other Species

Member of:Benitoite Group
Other Members of Group:

- +
Bazirite
BaZr(Si
 
3
O
 
9
)
Benitoite
BaTi(Si
 
3
O
 
9
)
Pabstite
Ba(Sn,Ti)(Si
 
3
O
 
9
)
Related Minerals - Nickel-Strunz Grouping):

- +
9.CA.05Bazirite
BaZr(Si
 
3
O
 
9
)
9.CA.05Benitoite
BaTi(Si
 
3
O
 
9
)
9.CA.05Pabstite
Ba(Sn,Ti)(Si
 
3
O
 
9
)
9.CA.15Calciocatapleiite
CaZr(Si
 
3
O
 
9
) · 2H
 
2
O
9.CA.15Catapleiite
Na
 
2
Zr(Si
 
3
O
 
9
) · 2H
 
2
O
9.CA.20Pseudowollastonite
CaSiO
 
3
9.CA.25Margarosanite
Pb(Ca,Mn
2+
 
)
 
2
(Si
 
3
O
 
9
)
9.CA.25Walstromite
BaCa
 
2
(Si
 
3
O
 
9
)
9.CA.30Bobtraillite
(Na,Ca)
 
13
Sr
 
11
(Zr,Y,Nb)
 
14
(Si
 
3
O
 
9
)
 
10
(H
 
2
BSi
 
2
O
 
9
)
 
6
 · 12H
 
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
14.10.10Hilairite
Na
 
2
Zr[SiO
 
3
]
 
3
 · 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
14.10.14Dalyite
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 Wadeite

Other Languages:
German:Wadeit
Russian:Вадеит
Spanish:Wadeita

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 Wadeite

Reference List:

- +
Report of the British Association (1938), p. 419.

Prider, R.T. (1939) Some minerals from the leucite-rich rocks of the West Kimberley, Western Australia. Mineralogical Magazine, 25, 374-387.

American Mineralogist (1940): 25, 254 (abstract).

Henshaw, D.E. (1955) The structure of wadeite. Mineralogical Magazine, 30, 585-595.

Kapustin, Y.L. (1963) Discovery of wadeite in the USSR. Doklady Acad. Nauk SSSR, 151, 1410-1412 (in Russian).

Chemical Abstracts (1963): 59: 15038 (abstract).

Blinov, V.A., N.G., Shumyatskaya, A.A. Voronkov, V.V. Ilyukhin, and N.V. Belov (1977) Refinement of the crystal
structure of wadeite K2Zr[Si3O9] and its relationship to kindred structural types. Kristallografiya (Sov. Phys. Crystal.), 22, 59-65 (in Russian).

Birch, W.D. (1985) A note on large crystals of priderite, jeppeite, wadeite and other minerals from Walgidee [Wolgidee] Hills, Western Australia. Australian Mineralogist, 50, 298-302.

Canadian Mineralogist (1992): 30: 1153.

Internet Links for Wadeite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Wadeite details from Handbook of Mineralogy (PDF)
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    • Localities for Wadeite

    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.
    Australia
     
    • Western Australia
      • Derby-West Kimberley Shire
        • Ellendale
    		The Kimberlites and Lamproites of Western Australia, 1986.
    The Kimberlites and Lamproites of Western Australia, 1986.
    The Kimberlites and Lamproites of Western Australia, 1986.
        • Fitzroy Crossing
    		The Kimberlites and Lamproites of Western Australia, 1986.
    The Kimberlites and Lamproites of Western Australia, 1986.
        • Noonkanbah Station
    		Mineralogical Magazine 1939 25 : 373-387; Mineralogical Magazine 1984 48 : 263-266
      • Wyndham-East Kimberley Shire
        • Lake Argyle area
    		[MinRec 21:561]
    Brazil
     
    • Minas Gerais
      • Poços de Caldas plateau
        • Poços de Caldas alkaline complex
    		ATENCIO, D., COUTINHO, J.M.C., ULBRICH, M.N.C., VLACH, S.R.F., RASTVETAEVA, R.K. & PUSHCHAROVSKY, D.Yu. (1999) Hainite from Poços de Caldas, Minas Gerais, Brazil. Canadian Mineralogist, 37, 91-98.
    Canada
     
    • Québec
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		HORVÁTH, L. & PFENNINGER-HORVÁTH, E. (2000) I minerali di Mont-Saint-Hilaire (Québec, Canada) Rivista Mineralogica Italiana, XXIV, 140-202 (in Italian with English summary).
    Russia
     
    • Eastern-Siberian Region
      • Prebaikalia (Pribaikal'e)
        • Irkutskaya Oblast'
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
      • Saha Republic (Sakha Republic; Yakutia)
        • Aldan Shield
          • Chara and Tokko Rivers Confluence
    		[Lapis 1993:4 p.13-20]
              • Ditmar stream
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
              • Sirenevyi Kamen' Deposit
    		Konev, A.A., Vorob'yev, E.I., and Lazebnik, K.A. (1996) The Mineralogy of the Murun Massif. Russian Academy of Science Press, Siberian Branch, Novosbirsk, Russia (in Rus.)
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		[World of Stones 95:5-6, p64]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    P.M. Kartashov data
    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
            • Rasvumchorr Mt
    		P.M. Kartashov data
    Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
            • Yukspor Mt
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
          • Kovdor Massif
    		[World of Stones 95:5-6, p64]
    www.koeln.netsurf.de/~w.steffens/lovo.htm
    South Africa
     
    • North West Province
      • Swartruggens
    		Mineralogy and Petrology Volume 76 Issue 1-2 (2002) pp 1-19
    Spain
     
    • Murcia
      • Jumilla
        • La Celia
    		E. Salvioli-mariani et al. , Eur. J. Mineral. , 1996, 8, pp. 1027-1039.
    USA
     
    • Montana
      • Meagher Co.
    		www.cseg.ca/conferences/2000/376.PDF.; Chakhmouradian, A. R. & Mitchell, R. H. (2002): The mineralogy of Ba- and Zr-rich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic and sodic agpaitic pegmatites. Contributions to Mineralogy and Petrology 143, 93-114.
    • Wyoming
      • Sweetwater Co.
    		Rocks & Minerals 76:390
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