Examlex
The maximum number of columns that can be used to sort data is 25._________________________
Nonmetallic Mineral
Minerals that lack metallic properties, often used in construction and manufacturing, such as sand, gravel, and precious stones.
Phosphates
Mineral salts containing the phosphate ion, used in fertilizers, detergents, and as a dietary supplement.
Gangue
The valueless minerals or rock that are mined along with valuable minerals or ore, typically disposed of as waste.
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