Where is obsidian found?

Answer

Obsidian is considered volcanic glass, and can be found anywhere that lava has cooled or flowed, whether recently or hundreds of years ago.
Q&A Related to "Where is obsidian found?"
Obsidian rocks are found on the west coast near the pacific ocean by volcanoes because it is cooled lava called volcanic glass
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Obsidian is commonly found within the margins of rhyolitic lava flows known as obsidian flows.
http://www.chacha.com/question/where-is-obsidian-f...
Obsidian is a glassy volcanic rock. It is most likely to be found in areas of past or present volcanism, where effused rock rapidly cooled by contact with water, snow, or ice. Geologic
http://www.quora.com/Where-are-maps-which-show-whe...
Obsidian is a natural glass produced by volcanoes. Over a period of millions of years, it will devitrify (form crystals, and no longer be a glass), so it can only occur near relatively
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