| Антрацит Тип угля |  |
Антраци́т — самый древний из ископаемых углей, уголь наиболее высокой степени углефикации.
Лучший сорт каменного угля, отличающийся чёрным цветом, сильным блеском, большой теплотворной способностью. Википедия
Цвет : чёрно-серый
Группа : осадочные горные породы
Минералы : углерод, примеси
Твёрдость : 2-2,5
Anthracite, also known as hard coal and black coal, is a hard, compact variety of coal that has a submetallic lustre. It has the highest carbon content, ... Coal Region · Anthracite iron · Coal mining in Pennsylvania |
Anthracite: 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 ... |
Anthracite is used as charge coal acting at once as a carbon carrier and energy provider in the steel making process. |
Anthracite is the highest rank coal. It is a black, shiny, hard rock and is not friable. It is low in volatile matter and this makes it difficult to burn in ... |
Anthracitic coals are high-rank coals. They are shiny (glassy) and break with a conchoidal (glass-like) fracture. Most coals do not reach anthracitic rank, ... |
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