tekstur
aphanitic, granular
foliated, platy
warna
abu-abu gelap ke hitam
hitam, biru, coklat, coklat gelap, hijau, Abu-abu, perak
pemeliharaan
kurang
kurang
daya tahan
tahan lama
tahan lama
tahan air
✔
✘
✔
✘
tahan gores
✔
✘
✔
✘
tahan noda
✔
✘
✔
✘
tahan angin
✔
✘
✔
✘
tahan asam
✔
✘
✔
✘
penampilan
vesikular
berlapis dan mengkilap