Emperor-of-Dragons

Anyone who can draw, come hither! I have but one small request: A crystal eye. In other words: If anyone is looking for something to do and has some talent for drawing, I have something you might consider. For the story I am writing, I would like to have a picture of a glowing gem or crystal, with a flaw in the center that looks like a slitted pupil, mounted in an ornate metal frame and attached to a stone pedestal in a dark cave. Or even just the crystal and fitting. The problem is, I cannot draw. ANYTHING. And I can't find anything close to what I want on Google, of course. If anyone knows where I could find an existing picture that is pu