Properties of Minette lan Rhomb Porphyry
ukuran gandum
nggoleki kanggo coarse grained
grained nggoleki
rengat
conchoidal
conchoidal
porosity
banget kurang keropos
banget kurang keropos
luster
subvitreous kanggo kurang
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
conchoidal
sampurna
kateguhan
ora kasedhiya
2.7
tartamtu gravitasi
2.86-2.87
2.86
transparan
tembus kanggo opaque
tembus
Kapadhetan
2.95-2.96 g / cm 3
2.8-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, meksa tahan