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|Hardness:||4 - 4½|
|Name:||Named by David Brewster in 1825 in honor of Serve-Dieu Abailard "Armand" Lévy [November 14, 1794 Paris, France - July 29, 1841 Pecq near Saint-Germain, France], French mineralogist and crystallographer, Paris University, France. Lévy used the nickname "Armand", partly as a personal preference and partly to avoid anti-antisemitism. The suffix indicates the dominant exchangeable cation.|
The sodium-dominant member of the Lévyne series.
Classification of Lévyne-Na
|Strunz 8th edition ID:||8/J.26-58|
|Nickel-Strunz 10th (pending) edition ID:||9.GD.15|
9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
D : Chains of 6-membered rings – tabular zeolites
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Type Occurrence of Lévyne-Na
|Type Locality:||Chojabaru, Iki Island, Nagasaki Prefecture, Kyushu Region, Japan|
Physical Properties of Lévyne-Na
|Hardness (Mohs):||4 - 4½|
Crystallography of Lévyne-Na
Optical Data of Lévyne-Na
|RI values:||nω = 1.489 - 1.510 nε = 1.487 - 1.502|
|Maximum Birefringence:||δ = 0.002 - 0.008|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Chemical Properties of Lévyne-Na
|Simplified for copy/paste:||(Na2,Ca,K2)[Al2Si4O12]·6H2O|
|Essential elements:||Al, H, Na, O, Si|
|All elements listed in formula:||Al, Ca, H, K, Na, O, Si|
Relationship of Lévyne-Na to other Species
|Series:||Forms a series with Lévyne-Ca (see here)|
|Member of:||Zeolite Group|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
Other Names for Lévyne-Na
|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 Lévyne-Na
Tschermaks Mineralogische und Petrographische Mitteilungen: 22: 117-129.
Mineralogical Magazine (1998): 62: 550.
Internet Links for Lévyne-Na
Localities for Lévyne-Na
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.
(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.
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Locality Updated: Aggeneys, Namakwa District (Namaqualand), Northern Cape Province, South AfricaFrom Debbie Woolf, 17th Apr 2014 21:10:59