Hauyne, The Sparkling Birthstone for October 27th
Birthstone for October 27th: Hauyne Description of Hauyne Hauyne is an exceptionally rare and striking gemstone, prized for its deep blue color and unique chemical composition. Named after the French mineralogist and geologist, Baron de Hauyn, this gemstone belongs to the feldspathoid mineral group. It is typically found in volcanic rocks and is most commonly blue, though it can range from rich azure to light turquoise, often with hints of violet....