1 Tekstur
1.1 tektur
foliated
aphanitic, glassy, porphyritic
1.2 werna
ireng kanggo werna abu-abu
grey, putih, cahya ireng
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
banded