Unlike other marbles onyx is translucent and can be lit from behind to showcase its beauty.
What is difference between onyx and marble.
Onyx is translucent meaning it can be seen through if held to the light or lit from behind and extremely variable in color and pattern.
I ll only speak about the stones from the perspective of a counter top fabricator.
Like other marbles onyx is much softer than granite and is likely to stain or etch.
Onyx is an extremely variable stone with heavy veining.
Marble is extremely dense and heavier then onyx and also harder.
Onyx is a type of very fragile marble a metamorphic stone.
The easiest way to tell the difference between onyx and marble is to pick it up.
Lift the item assuming it is a freestanding item to see how heavy it is.
A popular feature of some of the onyx used for counters is it s translucency.
Like other marbles onyx is available in tiles and slabs for countertops and can be used in shower surrounds or on vanity tops.
Onyx is a form of marble comprised mostly of calcite.
Generally onyx is considered a more exotic material than most marble.