What is the Difference between Hematite Iron Galena Chalcopyrite Pyrite and Gold
Mineral are very important part of our lives. They are used in making machines and different household items. Some minerals are used in ornaments as well. Iron and related minerals are important for our proper functioning of body as well.
What is the Difference between Stainless Steel, Bronze, Iron and Steel
There are many elements which are found naturally on planet earth and are used for making different things. Some of these elements are very costly while other is relatively inferior. There are more than 90 naturally occurring elements while some elements are also artificially made in the laboratory.