This is the 4087th most frequent Russian word.
оникс
Onyx: A type of semi-precious stone, typically layered and used in jewelry.
In this sentence, 'оникс' refers to the material of the jewelry, indicating its composition.
Этот перстень сделан из оникса.
This ring is made of onyx.
Here, 'оникс' is used to describe the material of a historical artifact.
В музее выставлен древний кубок, выполненный из оникса.
An ancient cup made of onyx is displayed in the museum.
In this context, 'оникс' designates the material used for crafting the decorative item.