Properties of Rhomb Porphyry lan Gossan
ukuran gandum
grained nggoleki
nggoleki grained medium
rengat
conchoidal
conchoidal
tilas
putih
putih kanggo werna abu-abu
porosity
banget kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
metallic
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
ora kasedhiya
kateguhan
2.7
ora kasedhiya
tartamtu gravitasi
2.86
2.0
Kapadhetan
2.8-2.9 g / cm 3
ora Sumadhiya
resistance
tahan panas, meksa tahan
tahan panas, impact tahan, meksa tahan