有色 ゆうしょく鉱物 こうぶつじゃなかったです
yūshokukōbutsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 有色鉱物

1. Wasn't a colored mineral.; Wasn't a non-ferrous mineral.

Past/Perfective
Negative
Polite
Casual Register