Nero Marquina is on the right and China Black is on the left. China black is covered in white veining. Nero Marquina has only one or two white veins per tile.
Nero Marquina has thin long vein, generally 1-2mm in width. China black is a mess (definitely not a technical term but probably describes the veining on China black best) of veining.
Nero Marquina Hexagon 1×1″ Polished Hexagon Mosaic is ...
