The Journal of Geology, Vol. 33, No. 7 (Oct. - Nov., 1925), pp. 714-727 (14 pages) Soda feldspar is believed to crystallize in three different phases having definite relationships with the three ...
PARIS, Aug 29 (Reuters) - French mineral processing group Imerys said it has bought Astron China for around 121 million euros ($165 million) and acquired U.S. company Feldspar Corporation for a ...
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