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