tekstur
eutaxitic
foliated
warna
kehijauan gelap - abu-abu
hitam, kebiruan - abu-abu, coklat, hitam kecoklatan, kehijauan gelap - abu-abu, abu-abu gelap ke hitam
pemeliharaan
kurang
lebih
daya tahan
tahan lama
tahan lama
tahan air
✔
✘
✔
✘
tahan gores
✔
✘
✔
✘
tahan noda
✔
✘
✔
✘
tahan angin
✔
✘
✔
✘
tahan asam
✔
✘
✔
✘
penampilan
berlapis dan foliated
kusam, banded dan foilated