Properties of Skarn lan Dacite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
ora duwe aturan baku
conchoidal
tilas
cahya kanggo coklat peteng
putih
porosity
kurang keropos
kurang keropos
luster
waxy lan kurang
subvitreous kanggo kurang
kateguhan
2.4
ora kasedhiya
tartamtu gravitasi
2.86
2.86-2.87
Kapadhetan
2.8-2.9 g / cm 3
2.77-2.771 g / cm 3
resistance
tahan panas
tahan panas, impact tahan, meksa tahan, nyandhang tahan