Crossword Puzzle Coal piece

Clue: Coal piece

Glowing piece of coal (EMBER with 5 letters)
Piece of coal (LUMP with 4 letters)
50 Cent pieces? (RAPS with 4 letters)
One piece of a sectional sofa (UNIT with 4 letters)
What the chiropractor performed in the coal pit? (MINERADJUSTMENT with 15 letters)
Clay or coal unit (LUMP with 4 letters)
Piece in Othello (DISC with 4 letters)
50-cent pieces (HALVES with 6 letters)
International coalition of finance ministers (GSEVEN with 6 letters)
Line piece: Abbr. (SEG with 3 letters)