Iceland spar

noun

Definition of Iceland spar

: a birefringent transparent colorless variety of calcite

First Known Use of Iceland spar

1771, in the meaning defined above

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Time Traveler for Iceland spar

Time Traveler

The first known use of Iceland spar was in 1771

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Dictionary Entries Near Iceland spar

Iceland sea grass

Iceland spar

icelike

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Statistics for Iceland spar

Cite this Entry

“Iceland spar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Iceland%20spar. Accessed 19 Jan. 2022.

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