Properties of Coquina lan Slate
ukuran gandum
coarse grained
banget nggoleki-grained
rengat
ora duwe aturan baku
splintery
tilas
putih
cahya kanggo coklat peteng
porosity
Highly keropos
kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
kurang
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
slaty
kateguhan
ora kasedhiya
1.2
tartamtu gravitasi
1.10-2.24
2.65-2.8
Kapadhetan
2.8-2.9 g / cm 3
2.6-2.8 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan