Properties of Comendite lan Trondhjemite
ukuran gandum
grained medium
medium kanggo nggoleki coarse grained
rengat
mrembet
conchoidal
tilas
bluish ireng
bluish ireng
porosity
Highly keropos
banget kurang keropos
luster
kurang
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.38
2.86-3
Kapadhetan
ora Sumadhiya
2.73 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, meksa tahan, nyandhang tahan