Properties of Variolite lan Comendite
ukuran gandum
ora ditrapake
grained medium
rengat
conchoidal
mrembet
tilas
putih kanggo werna abu-abu
bluish ireng
porosity
kurang keropos
Highly keropos
luster
ora kasedhiya
kurang
cleavage
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.8-3
2.38
Kapadhetan
2.9-3.1 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan