Nature and planet

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Alien Skull carved in Ruby Fuschite
Geyser Opal from Spencer Idaho U.S.A Spenser Opal was deposited in volcanic rocks app 4 million years ago by geysers.The primary formation of the Spencer opal mines is a rhyolite and obsidian flow filled with gas pockets. The secondary deposit is a solution of silica and water, trapped within the rock and released by a series of geysers
Geyser Opal from Spencer Idaho U.S.A Spenser Opal was deposited in volcanic rocks app 4 million years ago by geysers. #opal
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Bismuth crystal
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Volcanoes - Important information about them condensed into this great picture