What Is The Most Valuable Quartz?
What Is The Most Valuable Quartz? Amethyst, or purple quartz, is the most valuable variety (can reach $15/carat), but pink, rose, and smokey quartz is also valuable. Clearer, more vibrant, and unbroken specimens are the most valuable quartz. What is the rarest color of quartz? Dumortierite quartz is one of the rarer and more unusual