Properties of Comendite lan Rhomb Porphyry
ukuran gandum
grained medium
grained nggoleki
rengat
mrembet
conchoidal
porosity
Highly keropos
banget kurang keropos
luster
kurang
subvitreous kanggo kurang
cleavage
ora kasedhiya
sampurna
tartamtu gravitasi
2.38
2.86
Kapadhetan
ora Sumadhiya
2.8-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, meksa tahan