A mechanoluminescence material comprising a mother body material and a
luminescence center added to the mother body material. The mother body
material is constituted of at least one kind of oxide selected from
alumino silicate, aluminate, silicate, tantalate, niobate, gallium oxide,
and ZrO.sub.2, and the luminescence center is at least one kind selected
from a rare earth metal and a transition metal which emits light when
electrons excited by mechanical energy are restored to a normal state.