Properties of Rhyodacite lan Gossan
ukuran gandum
grained nggoleki
nggoleki grained medium
rengat
conchoidal
conchoidal
tilas
ireng
putih kanggo werna abu-abu
porosity
kurang keropos
Highly keropos
luster
greasy kanggo kurang
metallic
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
ora kasedhiya
kateguhan
2.1
ora kasedhiya
tartamtu gravitasi
2.34-2.40
2.0
Kapadhetan
ora Sumadhiya
ora Sumadhiya
resistance
tahan panas
tahan panas, impact tahan, meksa tahan