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