Orange Red Oregon Sunstone 5.6ct from Pana Mine.5. 6ct Superb Precision Square Fancy Euro Cut Oregon Sunstone from the famous Pana Mine! Certificate available signed by mine owner. Flawless stone with Copper Schiller which is what you want to see in fine quality Sunstone. Copper inclusions make this stone really pop and the stone is considered flawless with the Schiller. The color is considered one of the rarer colors of Sunstone. Would make a fantastic Ring or Pendant.