So I am aware of how to paint good looking gemstones on a model. Basically, base coat a dark shade, and then make smaller and smaller half moon shapes using lighter and lighter shades towards the bottom of the gem. Finally add a "glint" of white at the top, to simulate light reflection from the sun.
However, how you you paint a internally glowing gemstone? I am looking at the Ret battle mages and would like to have some glowing gems to do some OSL with.
Do you basically reverse the affect from the non-glowing gemstone? IE start with a brighter base coat and use darker half moon shapes. Should the half moon shapes be at the bottom or the top of the gem? Do you add a "glint" still?
Anyone have any experience with this? Thanks in advance.