Note: Do not rely on this information. It is very old.
Cannel Coal, a hard black variety of coal (q.v.), containing about 95 per cent. carbon, and yielding by distillation a gas of high illuminating power.
“A gracious heart is contented by the melting of his will and desires into God's will and desires.”
–Jeremiah Burroughs, The Rare Jewel of Christian Contentment