Know all about Hyaloclastite and Aplite properties here. All properties of rocks are important as they define the type of rock and its application. Hyaloclastite and Aplite belong to Igneous Rocks.Texture of Hyaloclastite is Pyroclastic whereas that of Aplite is Granular, Graphic. Hyaloclastite appears Dull and Aplite appears Veined or Pebbled. The luster of Hyaloclastite is dull and grainy while that of Aplite is dull to pearly to subvitreous. Hyaloclastite is available in brown, grey, yellow colors whereas Aplite is available in black, grey, orange, pink, white colors. The commercial uses of Hyaloclastite are cemetery markers, creating artwork and that of Aplite are curling, gemstone, laboratory bench tops, small sculptures, tombstones.