Zoisite - 460

€ 400,00

This is a very special gem. It has been heat treated with a process developed in house to keep its pink color and is featured in the publication that describes the process - so a very well documented, scientifically important piece.
https://www.mdpi.com/2075-163X/12/11/1472

• Weight in ct 0.67
• Dimensions in mm 4.45 x 4.45
• Color pink
• Origin Merelani, Tanzania
• Enhancement heated
• Clarity eye clean