9th Oct 2018
The highest rank coal characterised by low volatile matter – always less than 10% – and high carbon content it has a semi-metallic lustre and is capable of burning, relatively easily, without smoke – see also Semi-anthracite.
9th October 2018
Members of the IFRF can have access to a range of exclusive benefits. To learn more about our membership options and what they currently offer click here.
Alternatively, to become a member fill out a form using the link below