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
-
crenulation lan mrembet
tartamtu gravitasi
2.38
2.86
Kapadhetan
-9999 g / cm 3
2.8-2.9 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan