Briquette
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A briquette is a compressed block of coal dust or other combustible biomass material used for fuel and kindling to start a fire. The term is a French word meaning "small brick".
Kingsford charcoal briquettes
Lignite briquette
Coal briquette
Quick grill briquette
Lignite
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Lignite, often called brown coal, is a soft, brown, combustible sedimentary rock formed from naturally compressed peat. It has a carbon content around 25–35% and is considered the lowest rank of coal
Briquette
…Wood charcoal (fuel) Lignite coal (fuel) Anthracite coal (fuel…
Lignite mining, western North Dakota, US (c. 1945)
Strip mining lignite at Tagebau Garzweiler in Germany
Lignite mine in the background of Lützerath, Germany
Layer of lignite for mining in Lom ČSA, Czech Republic