Properties of Minette lan Gritstone
ukuran gandum
nggoleki kanggo coarse grained
coarse grained
rengat
conchoidal
conchoidal
porosity
banget kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
kurang
kekuatan compressive
ora Sumadhiya
cleavage
conchoidal
sampurna
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.86-2.87
2.250
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.95-2.96 g / cm 3
2.2 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan