This sapphire crystal is from Lulwe, Chiwawy-Nsanje District, Southern Region, Malawi. This sapphire mine has ceased production. This is a typical double terminated crystal with a “record Keeper” Pattern on one end. It has a mild translucency around the edges under bright light. It has a bright vitreous luster. It measures approximately 21 x 11 x 10 mm and it weighs 21 carats.