Slag under the SEM

Slag under the SEM

This shows an area of slag just over 0.5mm across. To the bottom left and top right are the edges of the crystals of olivine – a mineral which grew as the slag started to cool in the smith’s hearth, containing lots of magnanese from the smelting slag attached to the raw iron. Just before the slag finally froze solid, the various different minerals in the centre formed – and these contain a strong chemical influence from teh ash of the charcoal used in he hearth.

Leave a Comment

Your email address will not be published. Required fields are marked *