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In this study, a pegmatite ore with a Na2O/K2O (5.54-4.29) ratio of 1.29 was studied in a Denver flotation cell in which both at natural and acidic pH using HF and H2SO4. Because of the perthitic structure of the ore no significant separation is observed at natural pH. Interestingly, a selective separation was achieved at low pH using HF and H2SO4 (pH 2–3). a pegmatite ore composed of 5.53% Na2O and 4.29% K2O is upgraded to 10.51% Na2O and 6.59.02% K2O with a Na2O/K2O = 1.62 in HF medium and to 2.55 in H2SO4 medium. It is shown that products recovered in various stages are also considered as commercially significant; especially quartz which is recovered in the tailings in HF medium is suitable for glass industry.

Properties and Suitability of East Aqaba Area Feldspar for Glass Industries in Jordan