Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (http://www.tropicalfishkeeping.com/)
-   Beginner Freshwater Aquarium (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/)
-   -   fun fact about rocks (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/fun-fact-about-rocks-4690/)

daisycutter 04-02-2007 02:24 AM

fun fact about rocks
 
uranium-238 occurs naturally in low concentrations in 98% of all granite and quartz :D

daisycutter 04-03-2007 01:11 AM

just a little something i learned an decided to share with anyone listening

Amphitrite 04-03-2007 02:59 AM

Thanks for sharing - never know when that information will come in handy :tongue:

daisycutter 04-04-2007 07:45 PM

im full of pointless information :D


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