A new source of high-quality blue sapphires has been unearthed in Thammannawa, a small village located in south eastern Sri …
Continue reading “Small Village in Srilanka is a New Source of Blue Sapphires”
A new source of high-quality blue sapphires has been unearthed in Thammannawa, a small village located in south eastern Sri …
Continue reading “Small Village in Srilanka is a New Source of Blue Sapphires”