There are genuine Buddha's sariras that are the remains of Buddha's bones and ashes, as well as substitutes such as gems, etc; over the years it has become confusing and unclear which of Buddha's sariras, whether genuine or substitutes, were dedicated in which temple.
仏舎利は、釈迦の遺骨・灰塵である真性の仏舎利のほか、宝石等による代替仏舎利が、時を経るごとに混乱して真・代いずれが何処の寺院に奉納されているのかが不明瞭になっている。