Ibikoresho Byibisigisigi, Ibyuma cyangwa IkirahureUbucucike bwinshi (min)> 1.70g / cm3Imbaraga zoroshye 50-60MpaImbaraga zo guhonyora 160-210MpaUbukonje 2.0%Gukomera ku nkombe 60-85Ubushyuhe bwo gukora 200 ℃ ~ 600 ℃Igipimo cyihariyeIgishushanyo Ukurikije igishushanyo