Properties of Slate lan Rhyodacite
ukuran gandum
banget nggoleki-grained
grained nggoleki
rengat
splintery
conchoidal
tilas
cahya kanggo coklat peteng
ireng
porosity
kurang keropos
kurang keropos
luster
kurang
greasy kanggo kurang
cleavage
slaty
ora kasedhiya
tartamtu gravitasi
2.65-2.8
2.34-2.40
Kapadhetan
2.6-2.8 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas