Obsidian is volcanic glass, derived from the quick cooling of high silica lava.
No, obsidian and diamond are two different materials. Obsidian is a naturally occurring volcanic glass, while diamond is a crystalline form of carbon. They differ in composition, appearance, and properties.
Obsidian is a glass of volcanic origin.
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"
5 books: Obsidian, Onyx, Opal, Origin, not titled yet 1 novella: Shadows
Both granite and obsidian are types of igneous rocks that are formed from the cooling and solidification of molten magma. However, they have different compositions and textures, with granite being a coarse-grained rock made up of minerals like quartz, feldspar, and mica, while obsidian is a volcanic glass formed from quickly cooled lava with no mineral crystals.
Obsidian has a small grain size due to its volcanic origin, which means that it cools quickly and does not have time to form large crystals. It is typically fine-grained and exhibits a glassy appearance.
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.
Obsidian is a natural glass.
yes obsidian is a crystal.