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editNative Calcium?
editIf there are native fluorine, there are native calcium too (in microscopic quantities, of course)? --Jugydmort (talk) 20:27, 16 April 2016 (UTC)
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If there are native fluorine, there are native calcium too (in microscopic quantities, of course)? --Jugydmort (talk) 20:27, 16 April 2016 (UTC)Reply