Gmelinite is a series of rare zeolite minerals. The most common member is gmelinite-Na; others are gmelinite-Ca and gmelinite-K. It is closely related to the very similar mineral chabazite. Gmelinite was named as a single species in 1825 after Christian Gottlob Gmelin (1792–1860) professor of chemistry and mineralogist from Tübingen, Germany, and in 1997 it was raised to the status of a series.<br />Gmelinite-Na has been synthesised from Na-bearing aluminosilicate gels. Space group: P6<sub>3</sub>/mmc. Unit cell parameters: It is generally assumed that it forms at low temperatures, less than 100 °C. It occurs both as pure gmelinite-Na and interlayered with chabazite in water-quenched basalts in Western Tasmania.
Associated minerals include other zeolites, especially chabazite, quartz, aragonite and calcite.
Distribution
Type Locality: Monte Nero, San Pietro, Montecchio Maggiore, Vicenza Province, Veneto, Italy. Also found in Australia, Canada, Czech Republic, Germany, Hungary, Japan, Russia, UK and US. tags which will then appear here automatically -->
External links
- Structure type GME
- Mineral galleries
- Mindat