tektur
amorf, glassy
foliated
werna
ireng, coklat, coklat peteng, grey, cahya kanggo werna abu-abu peteng
ireng, bluish - werna abu-abu, coklat, brown- ireng, greenish peteng - werna abu-abu, Peteng Grey kanggo Black
pangopènan
kurang
liyane
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
veined utawa pebbled
kurang, Banded lan foilated