Know all about Dacite and Foidolite properties here. All properties of rocks are important as they define the type of rock and its application. Dacite and Foidolite belong to Igneous Rocks.Texture of Dacite is Aphanitic to Porphyritic whereas that of Foidolite is Earthy. Dacite appears Vesicular and Foidolite appears Dull. The luster of Dacite and Foidolite is subvitreous to dull. Dacite is available in bluish - grey, brown, grey, light to dark grey colors whereas Foidolite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Dacite are commemorative tablets, creating artwork and that of Foidolite are cemetery markers, commemorative tablets, creating artwork.