Know all about Pegmatite and Hyaloclastite properties here. All properties of rocks are important as they define the type of rock and its application. Pegmatite and Hyaloclastite belong to Igneous Rocks.Texture of Pegmatite is Pegmatitic whereas that of Hyaloclastite is Pyroclastic. Pegmatite appears Layered, Banded, Veined and Shiny and Hyaloclastite appears Dull. The luster of Pegmatite is grainy, pearly and vitreous while that of Hyaloclastite is dull and grainy. Pegmatite and Hyaloclastite are available in black, brown, cream, green, grey, pink, red, rust, silver, white, yellow colors. The commercial uses of Pegmatite are creating artwork, jewelry, source of corundum, tourmalines, beryls and topaz and that of Hyaloclastite are cemetery markers, creating artwork.