iceland spar

listen to the pronunciation of iceland spar
الإنجليزية - التركية
izlanda sparı
izlanda necefi
İzlanda necefi
الإنجليزية - الإنجليزية
It is used for the prisms of the polariscope, because of its strong double refraction
Cf
Calcite
A transparent variety of calcite, the best of which is obtained in Iceland
a transparent calcite found in Iceland and used in polarizing microscopes
A doubly refracting transparent calcite used in optical instruments
iceland spar

    الواصلة

    Ice·land spar

    التركية النطق

    ayslınd spär

    النطق

    /ˈīslənd ˈspär/ /ˈaɪslənd ˈspɑːr/
المفضلات