tektur
aphanitic kanggo porphyritic
clastic utawa non-clastic
werna
bluish - werna abu-abu, coklat, grey, cahya kanggo werna abu-abu peteng
grey, putih, kuning
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
vesicular
alus