Properties of Chert lan Pumice
ukuran gandum
banget nggoleki-grained
grained nggoleki
rengat
ora rata, splintery utawa conchoidal
planar
tilas
putih
putih, greenish putih utawa abu-abu
porosity
Highly keropos
Highly keropos
luster
waxy lan kurang
earthy
cleavage
non-ana
sampurna
tartamtu gravitasi
2.5-2.8
2.86
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.7 g / cm 3
0.25-0.3 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
impact tahan, meksa tahan