corundum, sapphire, Kenya.12, Turkana, gems

A brief gemological note describing transparent, facetable blue sapphire from the Lodwar area near Lake Turkana, Kenya. Microscopic examination revealed lamellar twinning and distinct growth structures, features useful in characterizing the material. The report documents Kenya as a source of transparent blue gem-quality corundum and provides concise observations on the internal characteristics of the stones.