sodalite


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sodalite

[′sōd·əl‚īt]
(mineralogy)
Na2 Al3Si3O12Cl A blue or sometimes white, gray, or green mineral tectosilicate of the feldspathoid group, crystallizing in the isometric system, with vitreous luster, hardness of 5 on Mohs scale, and specific gravity of 2.2-2.4; used as an ornamental stone.
References in periodicals archive ?
I searched for a name of a rock formation and discovered that low-silica igneous rocks may have large masses of sodalite, a mineral which has a rich blue color, ranging from clear to violet.
Sodalite is fine grained (< 3 mm) and occurs in abundances of less than 1%.
As shown in Figure 5d, the transformation of kaolinite in NH,F solutions using SDA promoted the formation of sodalite and cancrinite.
Preparation of Na-P1 and sodalite octahydrate zeolites from interstratified illitesmectite.
At the Princess Quarry (see map), he found the sodalite deposit that furnished the centrepiece of the Rotunda floor.
lt;<El Superior general, luego de la recepcion de la solicitud escrita y firmada de puno y letra por el candidato, visto el informe de los correspondientes Superiores locales y formadores, revisado el testimonio de sodalites que hayan vivido en la misma comunidad que el y escuchado el parecer del Consejo Superior, y en particular del sodalite sacerdote, asistente general de Espiritualidad, presenta, en union con este, como candidato para recibir el sacramento del Orden al sodalite llamado por el Senor al servicio de la comunidad en el sacerdocio ministerial.
Light minerals are represented by nepheline and, probably, sodalite in sample no.
A beta cage is a sodalite crystal, which has the ultramarine chromophore trapped within.
has introduced a new 25-piece collection of clocks set in semiprecious stones, including amethyst, aventurine, sodalite, citrine, orange calcite, agates and rose quartz, for suggested retail between $65 and $200.
Hibsch (1915) recognized at least two petro-graphically different sets of lavas in the Dobranka area: (i) the lower set of nepheline to sodalite "teph-rites" with a tendency towards feldspathoidal trachyandesite (e.
Study Spell to assist in learningIngredients: Pouch, Eyebright herb, seven concentration incense sticks, parchment paper, Star anise seeds, Study oil, Yellow candle, Sodalite stone
Lee, and Julian Gale successfully applied quantum mechanical calculations to predict and understand the absorption of methanol at Brvnsted acid sites - the place where catalysis occurs - in chabazite and sodalite zeolites.