tektur
glassy, massive, porphyritic, scoriaceous, vesicular
Sheen phyllitic, slaty
werna
ireng, coklat, cahya kanggo werna abu-abu peteng
ireng kanggo werna abu-abu, klawu rodok ijo cahya
pangopènan
liyane
liyane
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
kurang lan alus
crinkled utawa wavy