かがやき ぎん銅鉱 どうこうじゃなかったです
kagayakigindōkōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 輝銀銅鉱

1. Wasn't chalcopyrite.

Past/Perfective
Negative
Polite
Casual Register
Geology