Upload NowAfter reading this article you will learn about the primary and secondary minerals present in the earth’s crust. Primary Minerals: The primary minerals are those which are formed owing to the crystallization of the molten magma. We have already seen that the earth’s crust contains dominant amount of oxygen (46.60%) followed by silicon (27.72%). In […]
Primary and Secondary Minerals | Soil Science
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10 Important Minerals Found in Soil
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This article throws light upon the ten important minerals found in soil. The minerals are: 1. Haematite 2. Limonite or Bog Iron 3. Goethite 4. Gibbsite 5. Carbonate Group 6. Calcite 7. Dolomite 8. Siderite 9. Sulphate Group 10. Gypsum. Mineral # 1. Haematite: Fe2O3: It varies in colour from red to blackish red and […]
4 Important Types of Silicate Minerals |Soil Science
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This article throws light upon the four important types of silicate minerals. The types are: 1. Orthosilicates 2. Inosilicates 3. Phyllosilicates 4. Tectosilicates. Silicate Minerals: Type # 1. Orthosilicates: Represented by olivine—(Fe, Mg)2 SiO4: The structure consists of individual silicon-tetrahedra (SiO4)4- alternating with positively charged metal ions (Fe, Mg) which balance the negative charge of […]