What Is Difference Between Onyx And Marble

I ll only speak about the stones from the perspective of a counter top fabricator.

What is difference between onyx and marble.

The main problem with identifying marble arises from its similarity in some respects to granite onyx alabaster and even porcelain but with a few tips should help you to tell the difference. I ve seen on man. 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. Onyx is an extremely variable stone with heavy veining.

Lift the item assuming it is a freestanding item to see how heavy it is. Between marble and onyx marble can be identified by dropping a few drops of weak hydrochloric acid on to it the acid will fizz on the marble as the calcium carbonate reacts with the acid to produce hydrogen gas if you dont happen to have any weak hydrochloric acid lying about use a drop or 2 of kitchen descaler it is weak hydrochloric. Marble is extremely dense and heavier then onyx and also harder. Generally onyx is considered a more exotic material than most marble.

Onyx is a type of very fragile marble a metamorphic stone. Unlike other marbles onyx is translucent and can be lit from behind to showcase its beauty. Like other marbles onyx is much softer than granite and is likely to stain or etch. Like other marbles onyx is available in tiles and slabs for countertops and can be used in shower surrounds or on vanity tops.