colormyworld
Brilliant_Rock
- Joined
- Aug 30, 2005
- Messages
- 1,172
Can anybody please provide a link to the element that causes grayness in blue spinel. I found this but can find no reference to iron being responsible for grayness.
http://gemologyproject.com/wiki/index.php?title=Spinel#Color
http://gemologyproject.com/wiki/index.php?title=Spinel#Color