The highest rank of coal; used primarily for residential and commercial space heating. It is a hard, brittle, and black lustrous coal, often referred to as hard coal, containing a high percentage of [..]

Hard coal, found deep in the earth. It burns very hot, with little flame. It usually has a heating value of 12,000-15,000 British thermal units (Btus) per pound.

"non-bituminous coal," 1812, earlier (c. 1600) a type of ruby-like gem described by Pliny, from Latin anthracites "bloodstone, semi-precious gem," from Greek anthrakites "coal [..]

A hard, black coal with high energy content, often referred to as hard coal

most valuable type of coal, containing high carbon content. Also called hard coal, black coal, and stone coal.

n. Hard coal.

A hard coal containing little volatile matter. Arete:

hard, brittle coal that is almost pure carbon. antibiotic

Anthracite is a type of coal that has the highest carbon content and the lowest moisture and ash content. Anthracite burns slowly and makes a good heating fuel for homes. The United States has about 7.3 billion tons of anthracite, most of which can be found in Pennsylvania.

(n) a hard natural coal that burns slowly and gives intense heat

 A hard, black lustrous coal, often referred to as hard coal, containing a high percentage of fixed carbon and a low percentage of volatile matter.

The most highly metamorphosed form of coal, containing 92 to 98 percent of fixed carbon. It is black, hard, and glassy. Anticline

A type of coal that is 95% pure carbon. It is an excellent fuel.

A coal with over 90% fixed carbon.

A high-grade metamorphic Coal having a semimetallic luster, high content of fixed Carbon, and high density, and burning with a short blue flame and little smoke or Odor. (McGraw-Hill Dictionary of Sci [..]

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. Origin: L. Anthracites a kind of bloodstone; fr. Gr. Like coals, f [..]

The highest rank of coal. It is a hard, brittle, and black lustrous coal, often referred to as hard coal, containing a high percentage of fixed carbon and a low percentage of volatile matter.

The highest rank of coal. A hard, compact coal with high lustre. It has the highest carbon count and the highest calorific content of all types of coals.

Hard, compact variety of coal that has a high luster; it has the highest carbon content, the fewest impurities, and the highest calorific content of all types of coal

a dense, shiny coal that has a high carbon content and little volatile matter and burns with a clean flame. Also called hard coal. attapulgite