Properties of Skarn lan Comendite
ukuran gandum
grained nggoleki
grained medium
rengat
ora duwe aturan baku
mrembet
tilas
cahya kanggo coklat peteng
bluish ireng
porosity
kurang keropos
Highly keropos
luster
waxy lan kurang
kurang
tartamtu gravitasi
2.86
2.38
Kapadhetan
2.8-2.9 g / cm 3
-9999 g / cm 3
resistance
tahan panas
tahan panas, impact tahan