It has been observed that all the crystals of minerals and synthetic substances studied so far can be grouped, on the basis of A – Closed form, B – Open form symmetry, into 32 (Thirty two) classes. These are often called crystal classes. By definition, all crystals with an external form of the same symmetry […]
Crystals: Classes and Systems | Minerals | Geology
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Building Stones: Meaning and Properties | Geology
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In this article we will discuss about:- 1. Meaning of Building Stones 2. Properties of Building Stones 3. Important Building Stones. Meaning of Building Stones: A building stone may be defined as a sound rock that can be safely used in some situation in the construction as a massive dressed or undressed unit. Granites and […]
Faults: Meaning, Causes and Effects | Rocks | Geology
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In this article we will discuss about:- 1. Meaning of Faults 2. Causes of Faulting 3. Effects 4. Recognition 5. Engineering Considerations 6. Examples. Meaning of Faults: Under the influence of stresses developing from within the Earth, the rock masses adjust themselves either by bending, when they lie deep below the surface (in zone of […]