iceland spar

1. 1.

   a transparent calcite found in Iceland and used in polarizing microscopes

   Broadercalcite

Questions about iceland spar

What does iceland spar mean?

iceland spar means "a transparent calcite found in Iceland and used in polarizing microscopes".

Is iceland spar a common word?

iceland spar is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.