Properties of Tuff lan Nephelinite
ukuran gandum
grained nggoleki
grained nggoleki
porosity
Highly keropos
kurang keropos
luster
vitreous kanggo kurang
vitreous kanggo metallic
cleavage
ora kasedhiya
cacat
kateguhan
ora kasedhiya
2.7
tartamtu gravitasi
2.73
2.4-2.9
Kapadhetan
1-1.8 g / cm 3
2.5-3 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas