Properties of Rhomb Porphyry lan Chert
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
conchoidal
ora rata, splintery utawa conchoidal
porosity
banget kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
waxy lan kurang
cleavage
sampurna
non-ana
tartamtu gravitasi
2.86
2.5-2.8
transparan
tembus
tembus kanggo opaque
Kapadhetan
2.8-2.9 g / cm 3
2.7 g / cm 3
resistance
tahan panas, meksa tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan