Properties of Lamprophyre lan Pumice
ukuran gandum
nggoleki kanggo coarse grained
grained nggoleki
tilas
putih
putih, greenish putih utawa abu-abu
porosity
banget kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
earthy
kekuatan compressive
ora Sumadhiya
cleavage
conchoidal
sampurna
kateguhan
ora kasedhiya
3
tartamtu gravitasi
2.86-2.87
2.86
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.95-2.96 g / cm 3
0.25-0.3 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
impact tahan, meksa tahan