The sword was made of obsidian.

这把剑是黑曜石做的。

Obsidian is one of the gems widely used in Buddhism.

十胜石是佛教广泛应用的宝石之一。

We can determine the composition of this obsidian by chemical analysis.

我们可以通过化学分析确定这块黑曜石的成分。

Obsidian is a volcanic glass.

黑曜石是一种火山玻璃

In addition, obsidian is sacred to the Maoris.

此外，黑曜石是神圣的毛利人之物。

Once you have enough obsidian, activate the idols.

一旦你有足够的黑曜石，激活神像。

In ancient times, obsidian was made into mirrors.

在古代，黑曜岩制成了镜子。

In addition, the obsidian is sacred to the Maoris.

此外，黑曜石是神圣的毛利人之物。

Volcanic rock includes the volcanic glass obsidian.

火山岩包括黑曜岩火山玻璃。