Exodus 9:8 And the LORD said unto Moses and unto Aaron: 'Take to you handfuls of soot of the furnace, and let Moses throw it heavenward in the sight of Pharaoh. (JPS YLT NAS NIV)
Exodus 9:10 And they took soot of the furnace, and stood before Pharaoh; and Moses threw it up heavenward; and it became a boil breaking forth with blains upon man and upon beast. (JPS YLT NAS NIV)
Lamentations 4:8 Their visage is blacker than a coal; they are not known in the streets: Their skin cleaves to their bones; it is withered, it is become like a stick. (See NAS RSV NIV)