The Government of Canada’s terminology and linguistic data bank.
A coarse, nearly opaque, variety of topaz. 3, record 1, English, - pyrophysalite
physalite: called also pyrophysalite, as it intumesces in heat. 4, record 1, English, - pyrophysalite
Chemical formula: Al2 SiO4(F,OH)2 or SiAlO4(F,OH)2 5, record 1, English, - pyrophysalite
Silicate naturel d'aluminium, qui est une variété de topaze. 3, record 1, French, - pyrophysalite
Formule chimique : Al2SiO4(F,OH)2 ou SiAlO4(F,OH)2 4, record 1, French, - pyrophysalite
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