7 Bible Verses about darkness, natural

For ye are not come to the mountain that could be touched, and the burning fire, and blackness, and darkness, and tempest, And the sound of a trumpet, and the voice of words, which they that heard intreated that the word might not be spoken to them any more. For they could not bear that which was commanded, If even a beast touch the mountain, let it be stoned.read more.
And so terrible was the appearance, that Moses said, I exceedingly fear and tremble.

For God, who commanded the light to shine out of darkness, hath shined in our hearts, to inlighten us with the knowledge of the glory of God, in the face of Jesus Christ.

Now from the sixth hour there was darkness over all the earth, unto the ninth hour.

And when the sixth hour was come, there was darkness over all the earth until the ninth hour.

And it was about the sixth hour; and there was darkness over all the earth till the ninth hour. And the sun was darkened, and the veil of the temple was rent in the midst.

And I will shew prodigies in heaven above, and signs on earth beneath, blood and fire, and vapour of smoke, The sun shall be turned into darkness, and the moon into blood, before the day of the Lord, the great and illustrious day, come.

Then Saul (who is also called Paul) filled with the Holy Ghost, and fixing his eyes upon him, said, O full of all guile and all mischief, thou son of the devil, thou enemy of all righteousness, wilt thou not cease to pervert the right ways of the Lord? And now behold the hand of the Lord is upon thee; and thou shalt be blind, not seeing the sun for a season. And immediately a mist and darkness fell upon him, and going about, he sought some to lead him.read more.
Then the proconsul, seeing what was done, believed, being astonished at the doctrine of the Lord.