結晶 けっしょう片岩 へんがんではありませんでした
kesshōhenga ndewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 結晶片岩

1. Was not a crystalline schist.; Was not a schist with crystals.

Past/Perfective
Negative
Polite
Formal Register
Geology