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Title: Which mineral does not contain abundant potassium? Post by: Fochaian on Apr 2, 2016 Which mineral does not contain abundant potassium?
A) feldspar B) calcite C) biotite D) muscovite Title: Re: Which mineral does not contain abundant potassium? Post by: Gursh on May 12, 2016 Content hidden
Title: Re: Which mineral does not contain abundant potassium? Post by: Fochaian on May 18, 2016 Answered correctly, thx
Title: Re: Which mineral does not contain abundant potassium? Post by: Gursh on May 19, 2016 Glad my interpretation was correct, will be around if you need anything else
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