fun fact about rocks
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fun fact about rocks

This is a discussion on fun fact about rocks within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> uranium-238 occurs naturally in low concentrations in 98% of all granite and quartz :D...

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Old 04-02-2007, 03:24 AM   #1
 
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fun fact about rocks

uranium-238 occurs naturally in low concentrations in 98% of all granite and quartz :D
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Old 04-03-2007, 02:11 AM   #2
 
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just a little something i learned an decided to share with anyone listening
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Old 04-03-2007, 03:59 AM   #3
 
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Thanks for sharing - never know when that information will come in handy
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Old 04-04-2007, 08:45 PM   #4
 
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im full of pointless information :D
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