1 Tekstur
1.1 tektur
glassy, massive, porphyritic, scoriaceous, trachytic, vesicular
clastic, pyroclastic
1.2 werna
ireng, coklat, cahya kanggo werna abu-abu peteng
coklat, grey, kuning
1.3 pangopènan
1.4 kekiatan
1.4.1 banyu tahan
1.4.2 ngeruk tahan
1.4.3 rereged tahan
1.4.4 angin tahan
1.4.5 asam tahan
1.5 katon
atos lan kurang
kurang, vesicular lan foilated