stilbite


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stilbite

[′stil‚bīt]
(mineralogy)
Ca(Al2Si7O18)·7H2O A white, brown, or yellow mineral belonging to the zeolite family of silicates; crystallizes in the monoclinic system, occurs in sheaflike aggregates of tabular crystals, and has pearly luster; hardness is 3.5-4 on Mohs scale, and specific gravity is 2.1-2.2. Also known as desmine.
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References in periodicals archive ?
The most abundant zeolite on the larger island is analcime, whereas gmelinite and chabazite are common and stilbite and natrolite are rare (I.
Chabazite and stilbite are abundant among our studied samples; "heulandite", barrerite, epistilbite, and natrolite are rare.
Stilbite is abundant and chabazite is common in the area, with minor "heulandite" and barrerite.
Stilbite is common and associated minerals are quartz and calcite.
Analcime and natrolite are abundant, mesolite and stilbite are common, and thomsonite, chabazite, laumontite, and "heulandite" are rare.
Stilbite and epistilbite show a wider range in K content than that reported by Pe-Piper (2000) from Morden.
Nine types of zeolite were identified: epistilbite, scolecite, stilbite, stellerite, heulandite (sensu stricto), clinoptilolite, mesolite, thomsonite, and rare analcime (Table 2).
Heulandite (sensu stricto) to clinoptilolite to stilbite
Heulandite (sensu stricto) to stilbite to clinoptilolite
Heulandite" to silica minerals to "heulandite" to stilbite
Heulandite", mesolite, stilbite, thomsonite, natrolite, tetranatrolite, and epistilbite have been analysed from both the North Shore and Arlington Quarry and can therefore be compared.
Stilbite from Arlington Quarry is generally sheaf-like, vitreous, and colourless, resembling that of the North Shore.