Unusual Sea Glass with gold/orange "Inner Glow"
I found this little nugget on Lorne Beach in Victoria, Australia.
Initially I thought it was just a chunk of brown and grabbed it because of its unusual shape.
Upon inspecting it later I noticed, in the light, it gave off beautiful colors of gold, orange and even a lime green on certain angles.
I am curious why it does this, has anyone else seen anything like it? Someone suggested it might have air bubbles in it near the surface.
I also found that a few other pieces, that I picked up from the same area, also had this effect to a smaller degree (I have included one in the attached photos).
Any feedback would be greatly appreciated!