Obsidian is a hard, dark volcanic rock that is formed by the rapid solidification of lava. Its texture is glassy and shiny black.
Obsidian is usually found in caves underground where flowing water hits still lava.
Basalt is on of the many rocks that is black, obsidian (a volcanic glass) is another.
The rounded black obsidian nodules called Apache Tears are found in Arizona, USA. After years of protests and court challenges, they are now to be called Native American Tears.
Obsidian is volcanic glass, derived from the quick cooling of high silica lava.
Yes, obsidian is found near volcanic mountains.
Obsidian is an glassy, extrusive, igneous rock that is found in areas that have experienced rhyolitic eruptions. Obsidian is formed when the rhyolitic lava comes into contact with water. This quick-cooling results in the glassy texture of obsidian.
Obsidian is an extrusive igneous rock. Volcanic in origin, it is very common in recent lava flows. Obsidian is primarily made of glass. Obsidian is amorphous, lacking any crystal structure found in gemstones. For more details, try asking the question - "What is obsidian"
Yes, obsidian is an igneous rock. It forms when molten lava cools rapidly and solidifies without crystal formation, resulting in a smooth, glassy texture. Obsidian is commonly found near volcanic areas.
Obsidian is an igneous rock.
Obsidian is in the Igneous rock group.
No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.
sulfur
Volcanic rock.
No. Obsidian is just one of many types of volcanic rock.
Obsidian is an extrusive felsic igneous rock.
The common name for obsidian rock is volcanic glass.