Sapphire: The Corundum Conundrum

Blue Sapphire likely derives its name from the Sanskrit word sanipriya meaning "dear to the planet Saturn," and is considered one of the few precious gemstones. By definition, a gemstone is a rare, beautiful and durable stone, and since Sapphire has a beautiful blue hue, a Mohs hardness of 9 out of 10 and no cleavage planes … Continue reading Sapphire: The Corundum Conundrum