细纹大理石
条纹大理石
条纹大理岩

[ noun ]
a hard compact kind of calcite
<noun.substance>

Onyx \O"nyx\, n. [L., fr. Gr. ? a claw, finger nail, a veined
gem. See {Nail}, and cf. {Onycha}.]
1. (Min.) Chalcedony in parallel layers of different shades
of color. It is used for making cameos, the figure being
cut in one layer with the next as a ground.

2. Same as {Mexican onyx}.
[PJC]

3. A deep jet-black color.
[PJC]

{Onyx marble}, {Mexican onyx}, a banded variety of marble or
calcium carbonate resembling onyx. It is obtained from
Mexico in various colors ranging from white to deep black.
[1913 Webster +PJC]