Question

What are important features of minerals?
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Answer 1

Answer:

Most minerals can be characterized and classified by their unique physical properties: hardness, luster, color, streak, specific gravity, cleavage, fracture, and tenacity.

Explanation:

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Answer 2

Answer:

Minerals are used for several purposes as they provide fuel to industries and help in producing industrial products and metals like iron, steel, etc. ... Minerals like coal are used as fuel in industries and a source to provide electricity. Natural gas and petroleum are also part of minerals used as fuels.