くれない銀鉱 ぎんこうじゃなかったです
kokurenai ginkōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 濃紅銀鉱

1. Wasn't native silver ore.; Wasn't a deep red silver ore.

Past/Perfective
Negative
Polite
Casual Register