How To Use Iceland spar In A Sentence
- Iceland spar is used chiefly in the optical instrument known as the polariscope. Wealth of the World's Waste Places and Oceania
- Sharp, clear magnesite rhombohedra may be mistaken for ‘Iceland spar’ calcite, but the density is a quick tip-off to the mineral's true identity.
- Again, it is assumed that readers know aquamarine is beryl, amethyst is quartz, and Iceland spar is calcite but cannot grapple with the complexity of remembering that spessartine and grossular are garnets.
- Certain crystals will split incoming light into two separate rays; Iceland spar is one such crystal, as are calcite and quartz.
- Again, it is assumed that readers know aquamarine is beryl, amethyst is quartz, and Iceland spar is calcite but cannot grapple with the complexity of remembering that spessartine and grossular are garnets.
