The formation of sesame white

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Sesame white is a kind of volcanic eruption lava and is a structural rock that rises to the surface of the earth's crust in a molten state under considerable pressure. During the formation of the surface of the earth's crust, it slowly moves and cools down. It is a type of igneous rock. Igneous rock is a substance formed by the cooling, solidification and crystallization of magma or molten lava containing silicate melts. When the molten magma cools and solidifies, minerals are formed in igneous rocks, such as olivine pyroxene and the like, which are the densest iron, magnesium and silicon. Acid minerals form less dense minerals, such as feldspar and quartz, when the magma temperature is the highest. Minerals formed in lava are formed in the later stages of cooling. They can usually grow without restraint and have well-developed crystal forms
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