Among colored stones, blue sapphire has always been the most important in terms of sales. We provide this review to help jewelers, traders and appraisers to better understand this classic precious stone.
CLASSIC SOURCES (LOW-IRON METAMORPHIC)
GemWorld articles are accessible by GemGuide members only.
Already a member?
Click here and Login
To access our archive of articles and get many other great features and benefits, become a member now!
Become a member