kokuhin gan
1. melaphyre
Noun
1. melaphyre
1. porphyrite
1. Of black pebbles; Black-pebbled
1. If/when Kuroishiwa…; When Kuroishiwa…
1. Probably Kuroishi Rock.
1. Not black pumice.; It's not black pumice.
1. If it is Kuroishi-iwa; When it is Kuroishi-iwa
1. Was black pumice.
1. If/when Kuroishiwa…; If Kuroishiwa were…
1. It is not Kuroishi Rock.; I am not Kuroishi Rock.