The No. 1 Question Everyone Working in Blue Sapphire vintage Rings Should Know How to Answer
http://paxtonqnyy014.angelfire.com/index.blog/1685242/what-would-the-world-look-like-without-types-diamond/
The heat that produces the diamond can even exceed 1,200 levels Celsius. Nearly anything fewer than 400 levels Celsius ends in graphite, not diamond. Talk about warmth. It corresponds to the warmth, the enthusiasm