Mineral groups are groups of minerals, such as quartz.
“Mafic minerals and rocks are silicate minerals, magmas, and volcanic and intrusive igneous rocks...Mafic
“Felsic is a term that refers to silicate minerals, magmas, and rocks which are enriched in the...Felsic
“Radioactive minerals are minerals that contain radioactive elements, and thus are poisonous.Radioactive minerals
“Tourmaline is a name for a group of minerals that forms in Trigonal crystal shapes. It comes in...Tourmaline