Pictured is Kosmoz, a moon quartz skull that is from the collection of Joshua and Desy Shapiro. You can view a gallery of images(1) of crystal skulls from their "private circle," or see this page(2) for additional images and information.

1. http://www.v-j-enterprises.com/ourcrystalskulls.html
2. http://www.v-j-enterprises.com/CrystalSkullsbyJoshua204.html