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You are here: Index ObsidianThe commonest type of volcanic glass, usually black, but sometimes red or brown in colour formed by the rapid cooling and solidification of granite magma. Properties Etymology after Obsius, a Roman who supposedly discovered it or a similar mineral. Origin of the word Obsidian at Etymonline.com General Reference Obsidian at Wikipedia Images Google Image Search for Obsidian Yahoo Image Search for Obsidian You are here: Index
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Please feel free to join my new chat/message center website: Rugby-Town.co.uk It is based in my home town Rugby, UK, but is open to you where ever you are in the world. You can start your own topics and read/send messages instantly. |
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Rugby-Town.co.uk is in development and I would really appreciate you joining up. There may be a few errors in it so any feedback is most welcome.
James |