Namrawee Susawee และ Chakkaphan Sutthirat. (2013) CAUSE OF RED COLORING IN GEM PLAGIOCLASE FELDSPAR. Chulalongkorn University:ม.ป.ท.Namrawee Susawee และ Chakkaphan Sutthirat. 2013. CAUSE OF RED COLORING IN GEM PLAGIOCLASE FELDSPAR. ม.ป.ท.:Chulalongkorn University;Namrawee Susawee และ Chakkaphan Sutthirat. CAUSE OF RED COLORING IN GEM PLAGIOCLASE FELDSPAR. ม.ป.ท.:Chulalongkorn University, 2013. Print.