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Basalt quarry, Weitendorf, Wildon, Graz, Styria, Austria
© Elmar Lackner
|Hardness:||3 - 3½|
|Name:||In honor of Walter F. Ferrier, mineralogist, mining engineer, and one-time member of the Geological Survey of Canada, who first collected the material on the north shore of Kamloops Lake, British Columbia, Canada.|
|Ferrierite-K, Ferrierite-Mg, Ferrierite-Na|
Name used for unanalysed specimens that could be either Ferrierite-K, Ferrierite-Mg or Ferrierite-Na.
Classification of Ferrierite
|Dana 8th edition ID:||126.96.36.199|
77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites
|Hey's CIM Ref.:||16.8.4|
16 : Silicates Containing Aluminum and other Metals
8 : Aluminosilicates of Mg and alkalis
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Physical Properties of Ferrierite
|Hardness (Mohs):||3 - 3½|
Optical Data of Ferrierite
|RI values:||nα = 1.473 - 1.489 nβ = 1.474 - 1.489 nγ = 1.477 - 1.492|
|Maximum Birefringence:||δ = 0.004|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Relationship of Ferrierite to other Species
|Member of:||Zeolite Group|
|Other Members of Group:|
|Related Minerals - Hey's Index Grouping:|
Other Names for Ferrierite
|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 Ferrierite
Wise, W.S. and Tschernich, R.W. (1976) Chemical composition of ferrierite. American Mineralogist: 61: 60-66.
Internet Links for Ferrierite
Localities for Ferrierite
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: Wheal Coates, St Agnes, St Agnes District, Cornwall, England, UKFrom David Ifold, 19th Jun 2013 22:44:10