Synonym for calcite ... <microscopy> A doubly refracting mineral used in the manufacture of polarizing prisms. It is uniaxial negative and in the trigonal diversion of the hexagonal system of crystals. Its indexes are epsilon =1.486, omega =1.658, its hardness is 3 on the Mohr scale and specific gravity 2.711. ... See: balsam, Canada. ... (05...
Type: Term Pronunciation: kalk′spar Synonyms: calcite
Calcite