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Thursday 15 March 2012

Stones

What are stones?

   Stones are naturally occurring solid aggregate of minerals (mineraloids). Stones are classified according to their mineral content and the process of their formation. Most of these minerals can be identified by their color, hardness and crystal formation. However, stones are often difficult to identify because many stones look similar to each other, but are actually different from each other. Generally, there are three types of stones, namely sedimentary, igneous, and also metamorphic.



Sedimentary Stones

Sedimentary rocks are types of stone that are formed by the deposition of material at the earth's surface and within bodies of water.


Igneous Stones

Igneous rock is formed through the cooling and solidification of magma or lava.



Metamorphic


Metamorphic stones originates as a result of natural change from one type of stone to another type by the mixed action of heat, pressure and minerals.



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