Inside a Sunstone

One of our customers sent me these sunstones as a surprise! Thank you Jim! I wanted to get a closer look at what caused the shimmer inside the stone. These are taken with a camera mounted on a microscope:

Information on sunstone:

http://www.mindat.org/min-10984.html

http://www.gemsociety.org/info/gems/sunstone.htm

http://en.wikipedia.org/wiki/Sunstone