Obsidian is volcanic glass, about 70% Silicate (SiO2), with lesser amounts of Magnesium Oxide and Iron Oxide.
No, obsidian is not poisonous. It is a naturally occurring volcanic glass that is inert and does not release toxins or harmful chemicals. However, it can have sharp edges that can cause cuts or injuries if not handled carefully.
Obsidian is a naturally occurring volcanic glass, so it can last for millions of years if not exposed to external forces. The rate at which obsidian breaks down depends on factors like weathering processes, exposure to water or chemicals, and physical abrasion. In most cases, it can take thousands to millions of years for obsidian to fully break down into smaller particles.
No. Obsidian is brittle.
One type of obsidian is snowflake obsidian, which is black with white mineral inclusions that resemble snowflakes.
Obsidian is, itself, a mineral.
yes obsidian is a crystal.
Obsidian is a natural glass.
Obsidian is an igneous rock.
Other names for obsidian is Apache tears, volcanic glass, and Black obsidian.
Obsidian is not magnetic.
how is obsidian dependent on minerals
Snowflake Obsidian