The Onyx Collection manufactures shower bases, shower wall panels, shower trim and accessories, and lavatories. Each product is custom made-to-order to your size, shape, and color specifications, and includes our famous “Yes, Guaranteed Forever” guarantee.

Onyx is a typically black-and-white banded variety of agate, a silicate mineral. The bands can also be monochromatic with alternating light and dark bands. Sardonyx is a variety with red to brown bands alternated with black or white bands.

Curious about onyx? Here's your chance to get to know the different types of onyx and see for yourself just how beautiful and distinct each of them are.

Onyx is a banded chalcedony known for its dark layers and durability. Learn its formation, types, how to spot real vs dyed stones, and its modern uses.

Interested in buying an onyx stone? In this buyer’s guide, we’re sharing about onyx meaning, uses, and buying factors to consider!

What Is Onyx? Onyx is a type of chalcedony, which is a form of quartz. It’s known for its smooth, waxy luster and striking parallel bands, though the most popular variety is solid black. Fun fact: The name “onyx” comes from the Greek word onux, meaning “fingernail” or “claw.”

Onyx is referenced in numerous historical manuscripts and sacred texts, and is the first precious stone named in the Bible, described in Genesis as an element of creation.