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