Iceland spar Iceland sea grass • ice lead · · · Info · Definitions · Characters · · Iceland spar · · Text Common · · Latin · · Scripts 12 · · Length Definitions · · · (noun) a transparent calcite found in Iceland and used in polarizing microscopes. · · Noun Definition 1 Characters · · space U+0020 I latin capital letter i U+0049 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073