tekstur
granoblastic
foliated
warna
hitam, coklat
biru, kebiruan - abu-abu, ungu, nuansa biru
pemeliharaan
kurang
kurang
daya tahan
tahan lama
tahan lama
tahan air
✔
✘
✔
✘
tahan gores
✔
✘
✔
✘
tahan noda
✔
✘
✔
✘
tahan angin
✔
✘
✔
✘
tahan asam
✔
✘
✔
✘
penampilan
berurat atau berkerikil
kusam dan banded