Portal:Minerals/Did you know/6


 * ... that the mineral shigaite (hexagonal crystal pictured) is named for the Japanese Prefecture where it was discovered in 1985?
 * ... that naturally-occurring quasicrystals can be found in the rare minerals khatyrkite and cupalite?
 * ... that the existence of the mineral frankdicksonite was predicted before its discovery?
 * ... that seifertite, one of the densest polymorphs of silica, is named after Friedrich Seifert and has only been found in meteorites?