Obsidian
obsidian
No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.
Type in "buy obsidian" in your search bar. You will be given information on several sources. Knappable obsidian sells for around $5 US per pound.
Toast.
Obsidian is a naturally occurring volcanic form of glass.
Obsidian
No. Obsidian is brittle.
Mahogany Obsidian
No. Obsidian is natural glass, mostly silica. Obsidian is of volcanic origin.
Obsidian is, itself, a mineral.
Obsidian is a natural glass.
Neither, obsidian is a glass.
yes obsidian is a crystal.
Obsidian is an igneous rock.
Other names for obsidian is Apache tears, volcanic glass, and Black obsidian.
Snowflake Obsidian