Know all about Anthracite and Hyaloclastite properties here. All properties of rocks are important as they define the type of rock and its application. Anthracite belongs to Metamorphic Rocks while Hyaloclastite belongs to Igneous Rocks.Texture of Anthracite is Amorphous, Glassy whereas that of Hyaloclastite is Pyroclastic. Anthracite appears Veined or Pebbled and Hyaloclastite appears Dull. The luster of Anthracite is shiny while that of Hyaloclastite is dull and grainy. Anthracite is available in black, brown, dark brown, grey, light to dark grey colors whereas Hyaloclastite is available in brown, grey, yellow colors. The commercial uses of Anthracite are alumina refineries, electricity generation, liquid fuel, manufacture of soap, solvents, dyes, plastics and fibres, paper industry and that of Hyaloclastite are cemetery markers, creating artwork.