Properties of Comendite lan Quartzite
ukuran gandum
grained medium
grained medium
rengat
mrembet
ora rata, splintery utawa conchoidal
porosity
Highly keropos
kurang keropos
tartamtu gravitasi
2.38
2.6-2.8
transparan
opaque
transparent kanggo Translucent
Kapadhetan
-9999 g / cm 3
2.32-2.42 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan