In some cases, however, the trace is associated with the Devil, and the stones are considered impure, and harmful.

The Zoroastrians and their food was considered impure and many public places refused to serve them.

To the Kuranko, a child is not considered to be a complete person and is considered impure.

Under them all are the outcastes, people considered impure and therefore untouchable, who do the lowliest jobs.

Because of their partly human nature, vampires are considered impure by other demons, who sometimes call them "blood rats."

Childbirth is considered impure, and must occur outside the dwelling place.

The mother is considered impure for forty days after giving birth.

Some animals are also considered impure, for instance cats because they lick themselves.

Because of the ramifications that being considered impure have for the girls and their families, virginity testing has the potential to be a life-changing event.

Women and children mourned the dead relative from outside the enclosure as they were considered impure to see the figurines.