roepperite
/ˈrəːpərʌɪt/Mineralogy. Now disused
noun
A black mineral of the olivine group containing manganese and zinc, now identified with varieties of fayalite or tephroite.
- The chemical formula assigned to the mineral was (Fe,Mn,Zn)2SiO4..
Origin
Late 19th century. From the name of William T. Roepper, German-born U.S. mineralogist + -ite.
- parathyroid
- parathyroidal
- parathyroid body
- parathyroidectomize
- parathyroidectomized
- parathyroidectomy
- parathyroid gland
- paratitle
- paratomous
- paratomy
- paratonal
- paratone
- paratonia
- paratonic
- paratracheal
- para-transit
- paratrooper
- paratroops
- paratrophic
- paratuberculosis
- paratuberculous
- paratype
- paratyphoid
- paratyphoid fever
- paraumbilical