Properties of Slate lan Lamprophyre
ukuran gandum
banget nggoleki-grained
nggoleki kanggo coarse grained
rengat
splintery
conchoidal
tilas
cahya kanggo coklat peteng
putih
porosity
kurang keropos
banget kurang keropos
luster
kurang
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
slaty
conchoidal
kateguhan
1.2
ora kasedhiya
tartamtu gravitasi
2.65-2.8
2.86-2.87
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.6-2.8 g / cm 3
2.95-2.96 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan