29 août 2013
Andradite
Andradite from the Kayes Region, Mali. Photo by Rob Lavinsky, iRocks.com - image lic. under CC-BY-SA-3.0 Andradite cluster from Arizona, USA. 4.9cm across. Photo by Rob Lavinsky, iRocks.com - image lic. under CC-BY-SA-3.0 Andradite Gemstone (From Pakistan....