This mineral is as rare as todorokite.

In this mine, work is being done to separate the gangue from the ore.

This markstone indicates the boundaries of the ancient times.

Mr. Iwaishi is my best friend.

Mr. Iwaishi is my best friend.

His hobby is collecting loose stones.

The children were playing hopscotch in the park.

I think his soul is still lingering in this house.

A pronoun is a word used in place of a noun.

I can communicate with her telepathically.