名詞 chalcedony:

1. a milky or greyish translucent to transparent quartz
   同義詞：calcedony

chalcedony 也作 cal.ced.o.ny

n.（名詞）
【復(fù)數(shù)】 chal.ced.o.nies
A translucent to transparent milky or grayish quartz with distinctive microscopic crystals arranged in slender fibers in parallel bands.
玉髓：一種半透明至透明的奶白色或淺灰色石英，具有平行且排列成纖細(xì)纖維狀的特殊微觀(guān)晶體

來(lái)源：
Late Latin chalcôdonius
后期拉丁語(yǔ) chalcôdonius
from Greek khalkôdôn [a mystical stone (Rev. 2:9)]
源自 希臘語(yǔ) khalkôdôn [一種神秘的石頭（《啟示錄2：9》）]
perhaps from Khalkôdôn [Chalcedon]
可能源自 加爾西頓 [加爾西頓城]

【引伸】
chal.cedon.ic