Ruby Gemstones
How produced gems?
show me some article about how gemstones produced something on sapphire, Amethyst, ruby, Emerald, Aquamarine, diamond, something useful to make a simple presentation in my class please ~ thank you
This is an article on the production of diamonds ... Man-made diamonds http://www.wired.com/wired/archive/11.09/diamond.html This one is the science that goes into producing diamond http://www.popsci.com/popsci/whatsnew/301306492d68b010vgnvcm1000004eecbccdrcrd.html
Nicky Butler Raj Circle of Madurai Ruby and Gemstone Ste...
