Properties of Trondhjemite lan Argillite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
conchoidal kanggo ora rata
tilas
bluish ireng
putih kanggo werna abu-abu
porosity
banget kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
waxy lan kurang
cleavage
ora kasedhiya
slaty
tartamtu gravitasi
2.86-3
2.56-2.68
Kapadhetan
2.73 g / cm 3
2.54-2.66 g / cm 3
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan