(mineralogy) A yellow, brown or black, sometimes red, green white or colorless mineral with cubic crystals, of a chemical formula (Zn,Fe)S, often containing also minor metals, such as cadmium, gallium, germanium and indium.
spherality
spherality
noun
The property of being spheral.
trophesial
trophesial
adj
Pertaining to regulation of nourishment by the nervous system.
