@inproceedings{sgem2014s1024, title = {MARWIT EL-SWEIQAT QUARTZ DEPOSITS- QUALIFICATION AND TECHNICAL APPLICATIONS IN HI-TECH INDUSTRIES}, author = {Mohamed G. Shahein}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING}, year = {2014}, pages = {}, publisher = {Stef92 Technology}, doi = {10.5593/sgem2014/b11/s1.024} }