What is what color is obsidian?

Obsidian is a naturally occurring volcanic glass formed when molten rock cools rapidly. Its color is typically black, but it can also be found in other colors, including:

• <a href="https://www.wikiwhat.page/kavramlar/Brown%20Obsidian">Brown Obsidian</a>: Due to the presence of iron oxides.
• <a href="https://www.wikiwhat.page/kavramlar/Red%20Obsidian">Red Obsidian</a>: Caused by the presence of hematite.
• <a href="https://www.wikiwhat.page/kavramlar/Green%20Obsidian">Green Obsidian</a>: Typically due to the presence of iron or other trace elements.
• <a href="https://www.wikiwhat.page/kavramlar/Rainbow%20Obsidian">Rainbow Obsidian</a>: Exhibits iridescent colors caused by inclusions of magnetite nanoparticles which create thin film interference.
• <a href="https://www.wikiwhat.page/kavramlar/Snowflake%20Obsidian">Snowflake Obsidian</a>: Contains white or grayish-white inclusions of cristobalite.

The specific color and appearance of <a href="https://www.wikiwhat.page/kavramlar/Obsidian">obsidian</a> depend on its composition and the conditions under which it formed.