zhè / tiáo / xiàng / liàn / shàng / xiāng / zhe / yí / kuài / guāng / zé / róu / hé / de / hēi / yào / shí

这条项链上镶着一块光泽柔和的黑曜石。

This necklace is set with a piece of softly gleaming obsidian.