pollucite


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Related to pollucite: tantalite

pollucite

(ˈpɒljʊˌsaɪt; pəˈluːˌsaɪt)
n
(Minerals) a colourless rare mineral consisting of a hydrated caesium aluminium silicate, often containing some rubidium. It occurs in coarse granite, esp in Manitoba, and is an important source of caesium. Formula: CsAlSi2O6.H2O
[C19: from Latin polluc-, stem of Pollux + -ite1; originally called pollux, alluding to Castor and Pollux, since it was associated with another mineral called castor or castorite]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pollucite - a rare mineral that is an important source of cesium
atomic number 55, caesium, cesium, Cs - a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
atomic number 37, Rb, rubidium - a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
References in periodicals archive ?
Cesium is a naturally occurring element that is extracted from mined pollucite and then treated chemically by Cabot to produce cesium formate brine.
Bernic Lake contains 82 per cent of the world's known reserves of pollucite.
The mine has the largest known deposit of pollucite (sole mineral ore for cesium) and is the world's largest producer.