कोयला — anthracite (Noun)
पत्थर का कोयला — anthracite (Noun)
पत्थर का कोयला — anthracite (Noun)
anthracite — पत्थर का कोयला
Anthracite — A hard, compact variety of mineral coal, of high luster, differing from bituminous coal in containing little or no bitumen, in consequence of which it burns with a nearly non luminous flame. The purer specimens consist almost wholly of carbon. Also called glance coal and blind coal.