A dodo egg is a renewable food item that is randomly left behind by a dodo bird. Dodo eggs are large and oval in appearance with a light blue shell with a wavy pattern or darker areas.
These rocks include andesite, basalt, obsidian, pumice, rhyolite, scoria, and tuff. Pictures and brief descriptions of some common igneous rock types are shown on this page. Diorite is a coarse-grained, intrusive igneous rock that contains a mixture of feldspar, pyroxene, hornblende and sometimes quartz.
Minerals are: 1) naturally occuring 2) inorganic 3) solids with 4) definite chemical compositions and 5) an orderly arrangement of atoms. There are over 2000 different minerals. A few common  rock-forming minerals  make up most of the rocks in earth's crust, and most of these (over 90 percent) are silicates.The minerals are grouped based on their chemical composition. few common  rock-forming minerals  make up most of the rocks in earth's crust, and most of these (over 90 percent) are silicates. The minerals are grouped based on their chemical composition.