When they asked why choose Onyxs, most people would mention their beauty with various warm color hues running through them. Yeah, it is perfect as ornament especially when there is a suitable lighting to highlight it. While since it is made of calcite, it is prone to etching by various acids that are commonly encountered ins such as those from strong cleaners and tomatoes. You would therefore need to clean it more than harder materials, more cleaning steps, just take the following into account