Properties of Lignite lan Trachyandesite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
conchoidal
tilas
ireng
cahya kanggo coklat peteng
porosity
Highly keropos
kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
earthy
kekuatan compressive
ora Sumadhiya
cleavage
non-ana
sampurna
kateguhan
ora kasedhiya
2.3
tartamtu gravitasi
1.1-1.4
2.8-3
Kapadhetan
800-801 g / cm 3
2.9-3.1 g / cm 3
resistance
tahan panas
tahan panas, meksa tahan, nyandhang tahan