Properties of Essexite lan Foidolite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
banget kurang keropos
luster
ora kasedhiya
subvitreous kanggo kurang
cleavage
ora kasedhiya
sampurna
kateguhan
1.6
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.86
Kapadhetan
ora Sumadhiya
ora Sumadhiya
resistance
impact tahan, meksa tahan, nyandhang tahan
tahan panas, nyandhang tahan