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