Properties of Siltstone lan Picrite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal
ora rata
tilas
putih
putih, greenish putih utawa abu-abu
porosity
Highly keropos
kurang keropos
luster
kurang
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
cacat
tartamtu gravitasi
2.54-2.73
2.75-2.92
Kapadhetan
2.6-2.7 g / cm 3
1.5-2.5 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, banyu tahan
tahan panas