tektur
amorf, glassy
aphanitic, glassy, porphyritic
werna
ireng, coklat, coklat peteng, grey, cahya kanggo werna abu-abu peteng
grey, putih, cahya ireng
pangopènan
kurang
liyane
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
veined utawa pebbled
banded