How to Use "blackness" with Example Sentences

1. Then they were gone , melting into the jungle blackness .
2. The spirit of blackness is in us , it is in the fishes .
3. An abundance of blackness may be a sign of depression or other mood disorders .
4. Presently the blackness of the storm had become merged in the darkness of the night .
5. But even these don 't fully explain the planet 's extreme blackness , which is still puzzling astronomers .