赤白 あかしろ珪石 けいせきじゃなかったです
akashiro keisekijanakattadesu

Noun
Desu Copula

The polite, past negative form of 赤白珪石

1. Wasn't red and white pebbles.; Wasn't red and white stones.

Past/Perfective
Negative
Polite
Casual Register