Properties of Rhomb Porphyry lan Dacite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
banget kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
sampurna
kateguhan
2.7
ora kasedhiya
tartamtu gravitasi
2.86
2.86-2.87
Kapadhetan
2.8-2.9 g / cm 3
2.77-2.771 g / cm 3
resistance
tahan panas, meksa tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan