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Fara Vicentino, Vicenza Province, Veneto, Italy
© Chinellato Matteo
The potassium-dominant member of the Gmelinite series.
Classification of Gmelinite-K
|Strunz 8th edition ID:||8/J.26-52|
|Nickel-Strunz 10th (pending) edition ID:||9.GD.05|
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 Gmelinite-K
|Type Locality:||Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia|
Physical Properties of Gmelinite-K
Crystallography of Gmelinite-K
Optical Data of Gmelinite-K
|RI values:||nα = 1.472 nβ = 1.477|
|Maximum Birefringence:||δ = 1.472|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Chemical Properties of Gmelinite-K
|Essential elements:||Al, H, K, O, Si|
|All elements listed in formula:||Al, Ca, H, K, Na, O, Si|
Relationship of Gmelinite-K to other Species
|Member of:||Zeolite Group|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
Other Names for Gmelinite-K
|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 Gmelinite-K
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 130(3): 65-71.
Internet Links for Gmelinite-K
|Specimens:||The following Gmelinite-K specimens are currently listed for sale on minfind.com.|
Localities for Gmelinite-K
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: Woodsboro, Frederick Co., Maryland, USAFrom Bill Cordua, 13th Dec 2013 02:30:58