Beryllium and Beryl

Alexander County alloys aluminum Amelia County Amelia Court House Androscoggin County aquamarine atomic weight Bertrandite beryl Beryl Mining Beryl occurs beryllium glasses beryllium metal beryllium oxide beryllium-aluminum Black Hills Bureau of Mines calcium carload lots cent Be0 cent beryllium cent H20 cent Si02 cesium Chaffee County Chem complex silicate composition Creek Dudley farm emerald farm in Buckfield feldspar gem aquamarine gem varieties Geraes glucine glucinum golden beryl Grafton Grafton County Haddam Halske Hampshire hard Hebron Illig Imperial Institute Kurt Langesund fiord less than carload light metals magnesium Maine Menahem mica mica and feldspar mica mines miles south Mount Antero Newry Nilson and Pettersson Norway obtained Occurrences of Beryl ordinary beryl Oxford County pegmatite porcelain prism production quantities of beryllium quartz Renfrew County salts Siberia sources of beryl South Dakota material Stock and Goldschmidt temperature U. S. Bureau United States Colorado varieties of beryl Vauquelin Virginia