Properties of Coquina lan Rhyodacite
ukuran gandum
coarse grained
grained nggoleki
rengat
ora duwe aturan baku
conchoidal
porosity
Highly keropos
kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
greasy kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
ora kasedhiya
kateguhan
ora kasedhiya
2.1
tartamtu gravitasi
1.10-2.24
2.34-2.40
Kapadhetan
2.8-2.9 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas