sillimanite
Množina: sillimanites
Aluminum silicate, Al2SiO5, a mineral that occurs either as white to brownish prismatic crystals or as minute white fibers. It is an indicator of high temperature conditions in metamorphic rocks formed from clay sediments. Andalusite, kyanite, and sillimanite are all polymorphs of Al2SiO5.
Reči u blizini
Sillaginidae · Sillago · sillier · silliest · sillily · sillimanite · silliness · Sillitoe · sillograph · sillometer · sills