Iceland spar
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Iceland spar
noun Iceland spars
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A transparent form of calcite, used to demonstrate the polarization of light.
portions of the original aragonite—which make up the nacreous layers of the pearl—had, through “induced paramorphism,” as it was known to the artful sons of Nippon, been selectively changed here and there to a different form of calcium carbonate—namely, to microscopic crystals of the doubly refracti
Similar: Iceland crystal
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noun A transparent variety of calcite
| 中文 | 冰洲石 bīngzhōushí |
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Talk about this word "Iceland spar." Wiktionary, via Micwyn, micwyn.com/word/iceland%20spar. Accessed 7 Nov. 2026. Iceland spar. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/iceland%20spar "Iceland spar." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/iceland%20spar.Cite this
@misc{iceland_spar_2026,
title = {Iceland spar},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/iceland%20spar},
urldate = {2026-11-07}
}
