Properties of Argillite lan Scoria
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal kanggo ora rata
conchoidal
tilas
putih kanggo werna abu-abu
putih
porosity
Highly keropos
Highly keropos
luster
waxy lan kurang
subvitreous kanggo kurang
tartamtu gravitasi
2.56-2.68
ora Sumadhiya
Kapadhetan
2.54-2.66 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan