Minerals are classified into groups based on
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Ответ:
The correct answer is: their composition.
Explanation:
The mineral classification is based on the chemical composition and internal structure, which together represent the essence of a mineral and determine its physical properties. According to the chemical composition, minerals are divided into classes according to the dominant anion or anionic group, for example, oxides, halides, sulphides and silicates, among others.
Minerals have the same anion or dominant anionic group in their composition, so they have family similarities and characteristics more clearly and strongly marked than those that share minerals that have the same dominant cation. Examples of this are carbonates, since they resemble each other more than copper ores.
Minerals related by the domain of the same anion tend to occur together in the same place or in similar geological deposits; for example, sulphides generally occur in associations close to deposits of the type of veins or replacement, while silicates form most of the rocks in the earth's crust.
Ответ:
The answer is
-control rods