Sulfur, also known as BRIMSTONE, is an element found in nature that has a distinct yellow color and a strong odor. It is often used in the production of sulfuric acid, rubber, and fertilizers. In the Bible, it is mentioned as a sign of God's wrath, and it is also believed to have healing properties. In alchemy, it was used to create the philosopher's stone. In modern times, it is used in many industrial processes, such as the production of sulfur dioxide, which is used in the production of paper and other products.