酸化 さんか鉱物 こうぶつじゃありませんでした
sankakōbutsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 酸化鉱物

1. Was not an oxidized mineral.; It was not an oxidized mineral.

Past/Perfective
Negative
Polite
Terminal Form