Minerals are grouped by their chemical composition. The major groups or families of minerals include the Silicates, Oxides, Sulfates, Sulfides, Carbonates, Native elements, and the Halides. Match the following chemical formulas from a variety of minerals to the mineral family to which they belong based on their chemical formula. Fe203 PbS CaCO3 (Mg,Fe)2SiO4 Au CaSO4 H2O NaCl

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Q: What is the uses of the following minerals group? Sulfides

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Q: mineralization

A: Organic substance + O2 → CO2 + H2O

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Crystal Lattices and Unit Cell

Consider a crystal. The regular and repeating pattern of constituent particles is the most distinguishing feature of crystalline solids. A crystal lattice is formed when these particles are replaced with representative points. The three-dimensional arrangement of constituent particles is known as a crystal lattice. Unit cell is that the smallest portion of a space lattice which when repeated in several directions, generate the whole lattice. Unit cell is a building block of a lattice. It is the smallest unit of cell.