Know all about Amphibolite and Coal properties here. All properties of rocks are important as they define the type of rock and its application. Amphibolite belongs to Metamorphic Rocks while Coal belongs to Sedimentary Rocks.Texture of Amphibolite is Banded, Foliated, Massive whereas that of Coal is Amorphous, Glassy. Amphibolite appears Foliated and Coal appears Veined or Pebbled. The luster of Amphibolite is vitreous to dull while that of Coal is dull to vitreous to submetallic. Amphibolite is available in black, brown, green, grey colors whereas Coal is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Amphibolite are cemetery markers, commemorative tablets, creating artwork and that of Coal are alumina refineries, electricity generation, liquid fuel, manufacture of soap, solvents, dyes, plastics and fibres, paper industry.