PURPOSE: To obtain a briquette which has a calorific value equivalent to that of a high-grade charcoal made from an evegreen oak, a Japanese oak, etc., and retains a stable combustion characteristics for a long time by dispersing a carbon powder into a carbonized wood in a specified wt. ratio.

CONSTITUTION: The briquette is prepd. by dispersing 2-25wt.% carbon powder, pref. a carbon black (e.g. Seast 3, a product of Tokai Carbon Co., Ltd.), into a carbonized wood pref. a carbonization product of sawdust or bark of a coniferous tree (e.g. a Japanese cryptomeria).