Wadeite
A valid IMA mineral species - grandfathered
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About Wadeite
Arthur Wade
Formula:
K2Zr(Si3O9)
Colour:
Colourless, light blue or pink
Lustre:
Adamantine
Hardness:
5½ - 6
Specific Gravity:
3.10 - 3.13
Crystal System:
Hexagonal
Member of:
Name:
Named after Arthur Wade (12 November 1878 at Halifax, Yorkshire, England - 8 April 1951, Mermaid Beach, Queensland, Australia), British-born Australian petroleum geologist, who first collected the material.
[http://adb.anu.edu.au/biography/wade-arthur-8936]
[http://adb.anu.edu.au/biography/wade-arthur-8936]
Unique Identifiers
Mindat ID:
4227
Long-form identifier:
mindat:1:1:4227:3
GUID
(UUID V4):
(UUID V4):
d58fc8e0-1199-4ada-bd5c-3563139f412f
IMA Classification of Wadeite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
K2ZrSi3O9
First published:
1939
Classification of Wadeite
9.CA.10
9 : SILICATES (Germanates)
C : Cyclosilicates
A : [Si3O9]6- 3-membered single rings (dreier-Einfachringe), without insular complex anions
9 : SILICATES (Germanates)
C : Cyclosilicates
A : [Si3O9]6- 3-membered single rings (dreier-Einfachringe), without insular complex anions
59.1.1.4
59 : CYCLOSILICATES Three-Membered Rings
1 : Three-Membered Rings, anhydrous, no other anions
59 : CYCLOSILICATES Three-Membered Rings
1 : Three-Membered Rings, anhydrous, no other anions
14.10.13
14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf
14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Wad | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Wadeite
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Physical Properties of Wadeite
Adamantine
Transparency:
Transparent
Colour:
Colourless, light blue or pink
Hardness:
5½ - 6 on Mohs scale
Cleavage:
Poor/Indistinct
Fracture:
Conchoidal
Density:
3.10 - 3.13 g/cm3 (Measured) 3.16 g/cm3 (Calculated)
Optical Data of Wadeite
Type:
Uniaxial (+)
RI values:
nω = 1.624 - 1.627 nε = 1.655 - 1.673
Max Birefringence:
δ = 0.031
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Chemistry of Wadeite
Mindat Formula:
K2Zr(Si3O9)
Elements listed:
Common Impurities:
Ti,Al,Fe,Mg,Sr,Na,H2O,P
Crystallography of Wadeite
Crystal System:
Hexagonal
Class (H-M):
6/m - Dipyramidal
Space Group:
P63/m
Cell Parameters:
a = 6.893(4) Å, c = 10.172(2) Å
Ratio:
a:c = 1 : 1.476
Unit Cell V:
418.56 ų (Calculated from Unit Cell)
Z:
2
Morphology:
As prisms, to 5 mm, and as hexagonal-shaped basal sections.
Crystal Structure
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2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0008975 | Wadeite | Xu H, Navrotsky A, Balmer M L, Su Y (2005) Crystal-chemical and energetic systematics of wadeite-type phases A2BSi3O9 (A = K, Cs; B = Si, Ti, Zr) Physics and Chemistry of Minerals 32 426-435 | 2005 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.85 Å | (100) |
| 3.85 Å | (80) |
| 5.97 Å | (60) |
| 1.85 Å | (60) |
| 1.69 Å | (60) |
| 1.63 Å | (40) |
| 5.11 Å | (30) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 35 : Ultra-alkali and agpaitic igneous rocks |
Type Occurrence of Wadeite
Place of Conservation of Type Material:
University of Western Australia, Perth, Australia, 18760.
Geological Setting of Type Material:
Leucite lamproites
Associated Minerals at Type Locality:
Reference:
Prider R T (1939) Some minerals from the leucite-rich rocks of the West Kimberley area, Western Australia. Mineralogical Magazine 25, 373-387
Other Language Names for Wadeite
Relationship of Wadeite to other Species
Member of:
Other Members of this group:
Common Associates
Associated Minerals Based on Photo Data:
| 9 photos of Wadeite associated with Aegirine | NaFe3+Si2O6 |
| 6 photos of Wadeite associated with Microcline | K(AlSi3O8) |
| 4 photos of Wadeite associated with Eudialyte | Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
| 3 photos of Wadeite associated with Nepheline | Na3K(Al4Si4O16) |
| 2 photos of Wadeite associated with Astrophyllite | K2NaFe2+7Ti2Si8O26(OH)4F |
| 1 photo of Wadeite associated with Aenigmatite | Na4[Fe2+10Ti2]O4[Si12O36] |
| 1 photo of Wadeite associated with Magnetite | Fe2+Fe3+2O4 |
| 1 photo of Wadeite associated with Lamproite | |
| 1 photo of Wadeite associated with Lorenzenite | Na2Ti2(Si2O6)O3 |
| 1 photo of Wadeite associated with Gaidonnayite | Na2Zr(Si3O9) · 2H2O |
Related Minerals - Strunz-mindat Grouping
| 9.CA. | UM1975-18-SiO:Mn | α-MnSiO3 |
| 9.CA.05 | Bazirite | BaZr(Si3O9) |
| 9.CA.05 | Benitoite | BaTi(Si3O9) |
| 9.CA.05 | Pabstite | Ba(Sn,Ti)(Si3O9) |
| 9.CA.15 | Calciocatapleiite | CaZr(Si3O9) · 2H2O |
| 9.CA.15 | Catapleiite | Na2Zr(Si3O9) · 2H2O |
| 9.CA.20 | Pseudowollastonite | CaSiO3 |
| 9.CA.25 | Margarosanite | Pb(Ca,Mn2+)2(Si3O9) |
| 9.CA.25 | Walstromite | BaCa2(Si3O9) |
| 9.CA.25 | Breyite | Ca3Si3O9 |
| 9.CA.30 | Bobtraillite | (Na,◻)12(◻,Na)12Sr12Zr14(Si3O9)10[Si2BO7(OH)2]6 · 12H2O |
| 9.CA.35 | Rogermitchellite | Na6Sr12Ba2Zr13Si39B4O123(OH)6 · 20H2O |
Other Information
Notes:
Cathodoluminescent
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Wadeite
mindat.org URL:
https://www.mindat.org/min-4227.html
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References for Wadeite
Reference List:
Prider, Rex T. (1939) Some minerals from the leucite-rich rocks of the West Kimberley area, Western Australia. Mineralogical Magazine and Journal of the Mineralogical Society, 25 (166) 373-387 doi:10.1180/minmag.1939.025.166.01
Henshaw, D. E. (1955) The structure of wadeite. Mineralogical Magazine and Journal of the Mineralogical Society, 30 (228) 585-595 doi:10.1180/minmag.1955.030.228.04
McDonald, A. M., Chao, G. Y. (2005) Bobtraillite, (Na,Ca)13Sr11(Zr,Y,Nb)14Si42B6O132(OH)12·12H2O, a new mineral species from Mont Saint-Hilaire, Quebec: description, structure determination and relationship to benitoite and wadeite. The Canadian Mineralogist, 43 (2) 747-758 doi:10.2113/gscanmin.43.2.747
Localities for Wadeite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
Australia | |
| Hwang et al. (1994) |
| Jaques et al. (1986) |
| Jaques A.L. et al. (1986) | |
| Dept of Mines WA (1990) | |
| Jaques et al. (1986) | |
| The Kimberlites and Lamproites of ... |
| Jaques et al. (1986) | |
| Mineralogical Magazine 1939 25 : 373-387 +5 other references |
| Boxer et al. (1990) |
Brazil | |
| Atencio et al. (1999) |
| Guarino et al. (2021) | |
Canada | |
| Canadian Museum of Nature collection |
| Savard (2019) |
| HORVÁTH et al. (2000) |
China | |
| Wu et al. (2019) +1 other reference |
India | |
| Kaur et al. (2017) |
| Chakrabarty et al. (2011) +2 other references |
Myanmar | |
| Lapis 42 (3) |
Russia | |
| [Lapis 1993:4 p.13-20] |
| Vorob'yev E.I. et al. (1984) +3 other references |
| Konev et al. (1996) |
| Mitchell et al. (1993) +3 other references |
| Gritsenko et al. (2020) |
| [World of Stones 95:5-6 +1 other reference |
| Pavel.M. Kartashov (n.d.) +1 other reference | |
| PEKOV et al. (2013) | |
| Pekov et al. (2004) | |
| Arzamastsev et al. (2008) |
| Pavel.M. Kartashov (n.d.) |
| Pekov (1998) +1 other reference | |
| Ferraris et al. (2001) | |
| Pekov (1998) | |
| [World of Stones 95:5-6 |
| Pekov. I.V. (2000) | |
South Africa | |
| Mineralogy and Petrology Volume 76 Issue 1-2 (2002) +1 other reference |
Spain | |
| Dill et al. (2023) |
| E. Salvioli-mariani et al. |
USA | |
| Kuehner et al. (2003, June) |
| Mitchell (2000) +1 other reference |
| Hausel et al. (2001) |
| Barton |
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