1 Tekstur
1.1 tektur
foliated
glassy, massive, porphyritic, scoriaceous, vesicular
1.2 werna
ireng kanggo werna abu-abu
ireng, coklat, cahya kanggo werna abu-abu peteng
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
kurang, Banded lan foilated
kurang lan alus