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