'Sixth' in the Bible

I saw when he opened the sixth seal, and there was a great earthquake. The sun became black as sackcloth made of hair, and the whole moon became as blood.

The sixth angel sounded. I heard a voice from the horns of the golden altar which is before God,

saying to the sixth angel who had one trumpet, "Free the four angels who are bound at the great river Euphrates!"

The sixth poured out his bowl on the great river, the Euphrates. Its water was dried up, that the way might be prepared for the kings that come from the sunrise.

the fifth, sardonyx; the sixth, sardius; the seventh, chrysolite; the eighth, beryl; the ninth, topaz; the tenth, chrysoprasus; the eleventh, jacinth; and the twelfth, amethyst.