Cassiterite, The Sparkling Birthstone for October 20th
Birthstone for October 20th: Cassiterite Description of Cassiterite Cassiterite, a lustrous and captivating gemstone, is primarily known as the chief ore of tin. Its name derives from the Greek word kassiteros, meaning tin. Cassiterite is typically found in shades of brown to black, though lighter shades of yellow or red are also seen. The gemstone’s high refractive index gives it an exceptional brilliance, making it a hidden gem in the world of collectors and jewelry enthusiasts....