1 Tekstur
1.1 tektur
glassy, massive, porphyritic, scoriaceous, trachytic, vesicular
arborescent corak, vitreous
1.2 werna
ireng, coklat, cahya kanggo werna abu-abu peteng
ireng, biru, coklat, ijo, orange, abang, tan, 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
dilapisi, banded, veined saha