sunstoneとは 意味・読み方・使い方

名詞

sunstone (countable and uncountable, plural sunstones)

1. (mineralogy) A translucent form of feldspar having flakes of hematite, used as an ornamental stone.
2. A stone, possibly Icelandic spar, said in late medieval sources to have been used by navigators in the Viking Age and later to find the location of the sun in an overcast sky, possibly via polatization of light.

同意語

• heliolite

参考

• aventurine, aventurin, avanturine
• moonstone

Further reading

• David Barthelmy (1997–2024) “Sunstone”, in Webmineral Mineralogy Database.
• “sunstone”, in Mindat.org‎, Hudson Institute of Mineralogy, 2000–2024.

アナグラム

• neustons