Properties of Scoria lan Tephrite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora rata
porosity
Highly keropos
banget kurang keropos
luster
subvitreous kanggo kurang
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
crenulation lan mrembet
tartamtu gravitasi
ora Sumadhiya
2.86
Kapadhetan
ora Sumadhiya
2.8-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan