じゅん結晶 けっしょうじゃなかったです
junkesshōjanakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of 準結晶

1. Wasn't a quasicrystal.; Wasn't in a quasicrystalline state.

Past/Perfective
Negative
Polite
Casual Register