For iron sulfide, two elements (sulfur and iron) are heated together so that they form the compound iron sulfide. Although iron sulfide contains both sulfur and iron, it is not a mixture: it is a pure substance. Both the sulfur and the iron have 'given up' their individual properties to become a compound.
Granite is a hard igneous rock that is mostly made up of feldspar and quartz. Granite has a crystalline structure, and it can have a wide range of colors from grey to pink. The color of a granite rock is dependent upon the composition of minerals.Any igneous rock that contains one fifth of quartz is labeled as granite.ranite is a hard igneous rock that is mostly made up of feldspar and quartz. Granite has a crystalline structure, and it can have a wide range of colors from grey to pink. The color of a granite rock is dependent upon the composition of minerals.
Marble vs Granite. Marble and granite are types of stones that are used for flooring and kitchen countertops allover the world producing stunning and elegant results.While both commonly serve same purpose, there is a difference between marble and granite.The difference lies in their formation thousands of years ago beneath the surface of the earths crust. The have different looks and have vastly different structural properties making them suitable for use in different environments.y olivia. Marble vs Granite. Marble and granite are types of stones that are used for flooring and kitchen countertops allover the world producing stunning and elegant results. While both commonly serve same purpose, there is a difference between marble and granite.