Clastic, Granular, Phaneritic, Porphyritic
Foliated
Black to Grey, Bluish - Grey, Dark Greenish - Grey, Green, Light Greenish Grey
Black, Bluish - Grey, Brown, Brown- Black, Dark Greenish - Grey, Dark Grey to Black
Layered, Banded, Veined and Shiny
Dull, Banded and Foilated