Understanding Color Formation in Gemstones: A Scientific Explanation

Question
How to become color in gem stone when in the ground?

Answer
Hello thandar and thank you for your inquiry. I have found an excellent site on the internet that should help you understand this process.  Just click on the link I have provided below and hit enter or copy and paste it into your browser address field

http://nature.berkeley.edu/classes/eps2//wisc/Lect3.html

Hope this helps !

Sally
jarrettsjade.com