It is nearly as soft as lead and softer than silver.
The many steel objects which need an extremely hard outer surface but a softer and more malleable interior may be carburized superficially by heating them in contact with charcoal or other carbonaceous matter, for instance for between 5 and 48 hours at a temperature of 800° to goo° C. This is known as " case hardening."
"My dear Darian," the Watcher said in a softer tone, "I cannot take the pain of the memories you will experience in the morning when you remember the whole of your existence.
"Are you okay?" he asked in a softer tone.
It results from this that the horn has the appearance of a mass of agglutinated hairs, which, in the newly growing part at the base, readily fray out on destruction of the softer intermediate substance; but the fibres differ from true hairs in growing from a free papilla of the derm, and not within a follicular involution of the same.