obsidian

名词 obsidian:

1. acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces

ob.sid.i.an

n.（名词）
A usually black or banded, hard volcanic glass that displays shiny, curved surfaces when fractured and is formed by rapid cooling of lava.
黑曜岩：火山玻璃，一般为黑色，带状，摔碎时色泽光亮，表面变曲，由火山熔岩迅速凝而成

来源：
Latin obsidi3nus
拉丁语 obsidi3nus
misreading of obsi3nus (lapis) [Obsian (stone), obsidian]
obsi3nus (lapis) 的错读 [黑曜石]
after Obsius , a Roman who supposedly discovered it or a similar mineral
源自 奥伯西斯 ，一个罗马人，他被认为发现这种东西或与之相似的矿物