Read Edit View history 黑曜岩 hēiyàoyán obsidian Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 黑曜岩 hēiyàoyán obsidian A type of natural volcanic glass formed when lava cools rapidly, typically black or dark green in color with a glass-like shine. Edit Delete References Add reference No references for this word.
黑曜岩 hēiyàoyán obsidian A type of natural volcanic glass formed when lava cools rapidly, typically black or dark green in color with a glass-like shine. Edit Delete