Properties of Variolite lan Tuff
ukuran gandum
ora ditrapake
grained nggoleki
rengat
conchoidal
ora rata
tilas
putih kanggo werna abu-abu
putih
porosity
kurang keropos
Highly keropos
luster
ora kasedhiya
vitreous kanggo kurang
cleavage
ora kasedhiya
ora kasedhiya
kateguhan
2.3
ora kasedhiya
tartamtu gravitasi
2.8-3
2.73
Kapadhetan
2.9-3.1 g / cm 3
1-1.8 g / cm 3
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan