Ruby and Sapphire Natural 9-10mm Round - 15-16 Inch Clearance A form of chalcedony made

A form of chalcedony made of quartz

Rhyolite or Tuff

producing the effect of the stone seeming to shine from within

Carnelian is a glassy

Blue Apatite ranges in color from light teal-blue to bright blue to dark blue-green

Ruby and Sapphire Natural 9-10mm Round - 15-16 Inch Clearance A form of chalcedony madeRuby has long been considered one of the most beautiful and valuable gemstones on the planet. It is also one of the hardest, second only to Diamond. At times in ancient history, Ruby was valued more highly than any other gem, including Diamond. Its believed that Kublai Khan once offered an entire city in trade for a sizable Ruby.