Properties of Scoria lan Chert
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
conchoidal
ora rata, splintery utawa conchoidal
porosity
Highly keropos
Highly keropos
luster
subvitreous kanggo kurang
waxy lan kurang
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
non-ana
tartamtu gravitasi
ora Sumadhiya
2.5-2.8
transparan
opaque
tembus kanggo opaque
Kapadhetan
ora Sumadhiya
2.7 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan