金剛 こんごう光沢 こうたくじゃなかったです
kongōkōtakujanakattadesu

Noun
Desu Copula

The polite, past negative form of 金剛光沢

1. Wasn't diamond-like luster.; Wasn't brilliantly shiny.

Past/Perfective
Negative
Polite
Casual Register
Geology