Wadeite (original) (raw)
A valid IMA mineral species - grandfathered
About WadeiteHide
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Colour:
Colourless, light blue or pink
Specific Gravity:
3.10 - 3.13
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]
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:4227:3
d58fc8e0-1199-4ada-bd5c-3563139f412f
IMA Classification of WadeiteHide
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Approved, 'Grandfathered' (first described prior to 1959)
Type description reference:
Classification of WadeiteHide
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9.CA.10
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
14.10.13
14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf
Mineral SymbolsHide
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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 WadeiteHide
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Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Sorry, your browser doesn't support HTML5 audio. | Jolyon Ralph | United Kingdom |
Physical Properties of WadeiteHide
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Colour:
Colourless, light blue or pink
Density:
3.10 - 3.13 g/cm3 (Measured) 3.16 g/cm3 (Calculated)
Optical Data of WadeiteHide
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RI values:
_n_ω = 1.624 - 1.627 _n_ε = 1.655 - 1.673
δ = 0.031
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of WadeiteHide
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Mindat Formula:
K2Zr(Si3O9)
Common Impurities:
Ti,Al,Fe,Mg,Sr,Na,H2O,P
Crystallography of WadeiteHide
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Class (H-M):
6/m - Dipyramidal
Cell Parameters:
a = 6.893(4) Å, c = 10.172(2) Å
Unit Cell V:
418.56 ų (Calculated from Unit Cell)
Morphology:
As prisms, to 5 mm, and as hexagonal-shaped basal sections.
Crystal StructureHide
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| 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 DiffractionHide
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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 EnvironmentHide
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Type Occurrence of WadeiteHide
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Place of Conservation of Type Material:
University of Western Australia, Perth, Australia, 18760.
Geological Setting of Type Material:
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 WadeiteHide
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Relationship of Wadeite to other SpeciesHide
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Other Members of this group:
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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Other InformationHide
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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 WadeiteHide
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References for WadeiteHide
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Reference List:
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 WadeiteHide
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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
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- 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). 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.