it is an igneous rock with a glassy appearance
Answers
Answered by
0
Answer:
Obsidian
Explanation:
Obsidian is the common rock that has a glassy texture, and is essentially volcanic glass. Obsidian is usually black.
Similar questions
India Languages,
9 days ago
English,
9 days ago
Social Sciences,
18 days ago
English,
18 days ago
Hindi,
7 months ago