Know all about Scoria and Hyaloclastite properties here. All properties of rocks are important as they define the type of rock and its application. Scoria and Hyaloclastite belong to Igneous Rocks.Texture of Scoria is Vesicular whereas that of Hyaloclastite is Pyroclastic. Scoria appears Glassy and Vesicular and Hyaloclastite appears Dull. The luster of Scoria is subvitreous to dull while that of Hyaloclastite is dull and grainy. Scoria is available in black, brown, dark grey to black, red colors whereas Hyaloclastite is available in brown, grey, yellow colors. The commercial uses of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills and that of Hyaloclastite are cemetery markers, creating artwork.