Specifications

Our anthracite is a high quality product, and is produced in standard US industry sizes. Below is an example of our product specifications, as well as a sizing guide.


Stockton Mine Mammoth Seam
Typical Analysis: Proximate Analysis as Received

  • % Carbon 85.06
  • % Sulphur 0.46
  • % Ash 6.75
  • % Volatile Matter 2.77
  • % Moisture 5.43
  • Hardgrove Grindability 29.54 HGI
  • Heat Value (daf) 14.952  BTU/lb
    (8,246 kcal/kg)

Stove

2 7/16” x 1 5/8” or 62 x 41 mm

Chestnut

1 5/8” x 13/16” or 41 x 21 mm

Pea

13/16” x 9/16” or 21 x 14 mm

Buckwheat

9/16” x 5/16” or 14 x 8 mm

Rice

5/16” x 3/16” or 8 x 5 mm

Barley

3/16” x 3/32” or 5 x 2 mm

Anthracite #4

3/32” x 3/64” or 2 x 1 mm

Anthracite #5

3/64” x 0” or 1 x 0 mm