Anthracite derives from the Greek anthrakítēs (ἀνθρακίτης), literally "coal-like". Other terms which refer to anthracite a… 展开

Anthracite is similar in appearance to the mineraloid jet and is sometimes used as a jet imitation.
Anthracite differs from ordinary bituminous coal by its greater hardness (2.75–3 on the Mohs scale), … 展开

In southwest Wales, anthracite has been burned as a domestic fuel since at least medieval times, when it was mined near Saundersfoot. More recently, large-scale mining of anthracite took place across the western part of the … 展开

Anthracite generally costs two to six times as much as regular coal. In June 2008, the wholesale cost of anthracite was US$150/short ton, falling to $107/ton in 2021; it makes up 1% of U.S. coal production.
The principal us… 展开

Anthracite is processed into different sizes by what is commonly referred to as a breaker. The large coal is raised from the mine and passed through breakers with toothed rolls to reduce the lumps to smaller pieces. The smal… 展开

Historically, from time to time, underground seams of coal have caught fire, often from careless or unfortunate mining activities. The pocket of ignited coal is fed oxygen by vent paths that have not yet been discovered. The… 展开