Syenite clasts contain fluorescent sodalite and they were first discovered by Erik Rintamaki in Michigan. They glow under ultraviolet light and they are called "Yooperlite".…
Mount Stromboli is one of the four active volcanoes in Italy. It is one of the seven Aeolian Islands, a volcanic arc north of Sicily, and the mythological home of
The mineral pyrite also known as fool's gold, is an iron sulfide with the chemical formula FeS₂. It can be found in nature with almost perfect cubic formations
