Properties of Icelandite lan Porphyry
ukuran gandum
banget nggoleki-grained
grained nggoleki
rengat
ora rata
ora duwe aturan baku
porosity
kurang keropos
kurang keropos
cleavage
ora kasedhiya
cacat
tartamtu gravitasi
2.5-2.8
2.5-4
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.11-2.36 g / cm 3
2.5-2.52 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas, impact tahan