Properties of Lignite lan Rhyodacite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
conchoidal
porosity
Highly keropos
kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
greasy kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
non-ana
ora kasedhiya
kateguhan
ora kasedhiya
2.1
tartamtu gravitasi
1.1-1.4
2.34-2.40
Kapadhetan
800-801 g / cm 3
ora Sumadhiya
resistance
tahan panas
tahan panas