Obsidian is a glasslike volcanic rock that ancient people made arrowheads and spear points from. Some of these are wonderful works of craftsmanship.
One type of obsidian is snowflake obsidian, which is black with white mineral inclusions that resemble snowflakes.
No. Obsidian is brittle.
Obsidian is an igneous rock.
Obsidian is, itself, a mineral.
yes obsidian is a crystal.
Obsidian is a natural glass.
Other names for obsidian is Apache tears, volcanic glass, and Black obsidian.
If their business is in dealing with obsidian products, and they do not own any obsidian mines, then yes they will need to buy it. If however they do not need obsidian then they do not have to buy it.
Obsidian is not magnetic.
how is obsidian dependent on minerals
Snowflake Obsidian
The common name for obsidian rock is volcanic glass.