Properties of Krikel lan Pantellerite
ukuran gandum
banget nggoleki-grained
grained nggoleki
rengat
ora kasedhiya
sub-conchoidal
porosity
Highly keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
cleavage
slaty
conchoidal
tartamtu gravitasi
2.2-2.8
ora Sumadhiya
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.4-2.8 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas