|
You get an "A" if you know this is the highest-ranking & cleanest-burning coal available |
anthracite
|
$200 |
J |
ROCKS & MINERALS |
2023-04-03 |
#8841 |
|
Containing more carbon than other types, this highest ranking coal has a metallic-like luster |
anthracite
|
$1,600 |
DJ |
ROCKS & MINERALS |
2017-06-12 |
#7551 |
|
The process of coalification runs from peat to this type of coal |
anthracite
|
$1,000 |
DJ |
GEOLOGY |
1994-11-22 |
#2352 |
|
Jet black & somewhat lustrous, it's the highest rank, or class, of coal |
anthracite
|
$600 |
DJ |
GEOLOGY |
1992-01-22 |
#1708 |
|
This hard coal has the highest carbon content of all coals |
anthracite
|
$400 |
J |
GEOLOGY |
1988-01-29 |
#790 |
|
Also called hard coal, it burns without smoke |
anthracite
|
$800 |
DJ |
GEOLOGY |
1985-06-03 |
#191 |