If there is anything that grabs the attention of the onlooker within seconds then it's Onyx. One of the most durable and strong Onyx is water and stain-resistant which makes it at the top of the list. If there is anything that grabs the attention of the onlooker within seconds then it's Onyx. One of the most durable and strong Onyx is water and stain-resistant which makes it at the top of the list.