Properties of Krikel Minyak lan Chert
ukuran gandum
banget nggoleki-grained
banget nggoleki-grained
rengat
ora kasedhiya
ora rata, splintery utawa conchoidal
porosity
Highly keropos
Highly keropos
luster
kurang
waxy lan kurang
kekuatan compressive
ora Sumadhiya
tartamtu gravitasi
2.2-2.8
2.5-2.8
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.4-2.8 g / cm 3
2.7 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan