无烟煤
Also known as black coal, stone coal, blind coal, Kilkenny coal, crow coal, craw coal, black diamond, hard coal
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, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals.
AI overview
Anthracite is a hard, shiny type of coal with the highest carbon content and lowest impurities among all coal varieties, making it the most energy-dense fuel source in its category. Because of these superior qualities, it ranks highest among coal types and was historically valued as an efficient fuel source.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Rock.name
- Anthracite coal
- Rock.alternative_name
- Black coal, hard coal, stone coal, blind coal, Kilkenny coal, crow coal, craw coal, black diamond
- Rock.type
- Metamorphic
- Rock.image
- Anthracite chunk.JPG
- Rock.image_size
- 250px
- Rock.image_alt
- Anthracite coal
- Rock.image_caption
- Anthracite coal
- Rock.composition
- 86–97% carbon
via Wikipedia infobox
Article · 中文
无烟煤（anthracite、希臘語：ανθρακίτης，意为“类煤”，衍生于“木炭”的希腊语άνθραξ），也稱為黑煤、硬煤（英語：black coal, hard coal），是一种坚硬、致密且高光泽的煤矿品种。在所有的煤品种中，变质作用的程度最高，具有高的熱含量和碳含量，以及最少的雜質。
Abstract from DBpedia / Wikipedia · CC BY-SA