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Obsidian is a type of volcanic glass formed from quickly cooled lava, so it does not have layers of banding like sedimentary rocks. Instead, obsidian typically has a smooth, uniform texture with occasional swirls or flow lines caused by the rapid cooling process.
No. Obsidian is brittle.
One type of obsidian is snowflake obsidian, which is black with white mineral inclusions that resemble snowflakes.
yes obsidian is a crystal.
Obsidian is, itself, a mineral.
Obsidian is a natural glass.
Obsidian is an igneous rock.
Other names for obsidian is Apache tears, volcanic glass, and Black obsidian.
Snowflake Obsidian
how is obsidian dependent on minerals