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.
Complete Information Guide to Rocks, Minerals, & Gemstones. The tetrahedrite Mineral Series. The Tetrahedrite series is composed of two member minerals: Tetrahedrite, the antimony-rich end member, and Tennantite, the arsenic-rich end member. Tetrahedrite is the more common member of this series, and is also the most common sulfosalt mineral. This page discusses Tetrahedrite; Tennantite has its own dedicated page. The most common crystal habit for Tetrahedrite is tetrahedral, which describes an unusual triangular crystal form.