Properties of Comendite lan Tephrite
ukuran gandum
grained medium
medium kanggo nggoleki coarse grained
tilas
bluish ireng
bluish ireng
porosity
Highly keropos
banget kurang keropos
luster
kurang
subvitreous kanggo kurang
cleavage
ora kasedhiya
crenulation lan mrembet
tartamtu gravitasi
2.38
2.86
Kapadhetan
ora Sumadhiya
2.8-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan