Properties of Coquina lan Argillite
ukuran gandum
coarse grained
grained nggoleki
rengat
ora duwe aturan baku
conchoidal kanggo ora rata
tilas
putih
putih kanggo werna abu-abu
porosity
Highly keropos
Highly keropos
luster
kurang kanggo vitreous kanggo submetallic
waxy lan kurang
cleavage
ora kasedhiya
slaty
kateguhan
ora kasedhiya
2.6
tartamtu gravitasi
1.10-2.24
2.56-2.68
Kapadhetan
2.8-2.9 g / cm 3
2.54-2.66 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan