Salutations soft human fleshbags! This is a digital tapestry of the earth stone called corundum, which can actually form in any color. Back on my planet, we do not have these sweet stones, but don't worry! There are plenty of tasty minerals back home. Omnmnom...*Burp*
http://robotlizzzrd.deviantart.com/art/Corundum-tapestry-688968891?ga_submit_new=10%3A1498550761