Properties of Skarn lan Trondhjemite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
ora duwe aturan baku
conchoidal
tilas
cahya kanggo coklat peteng
bluish ireng
porosity
kurang keropos
banget kurang keropos
luster
waxy lan kurang
subvitreous kanggo kurang
cleavage
slaty
ora kasedhiya
tartamtu gravitasi
2.86
2.86-3
Kapadhetan
2.8-2.9 g / cm 3
2.73 g / cm 3
resistance
tahan panas
tahan panas, meksa tahan, nyandhang tahan