Properties of Talc Karbonat lan Obsidian
ukuran gandum
grained nggoleki
ora ditrapake
porosity
kurang keropos
banget kurang keropos
cleavage
sampurna
non-ana
kateguhan
1
ora kasedhiya
tartamtu gravitasi
2.86
2.6-2.7
Kapadhetan
2.8-2.9 g / cm 3
2.6 g / cm 3
resistance
tahan panas, nyandhang tahan
tahan panas, impact tahan