Gangue facts for kids
Gangue is the worthless substance that is left behind when minerals are processed.
When minerals are collected, the ore that is wanted is found only in small amounts. Flotation is used to concentrate the ore. The ore floats while the gangue sinks to the bottom. Sometimes minerals thought of as gangue are later recovered and used.
Images for kids
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Banded Zn-Pb ore sample with sphalerite (brown) and galena as main ore minerals and calcite as main gangue mineral (old Bad Grund mine, Germany)
See also
In Spanish: Ganga (minería) para niños
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Gangue Facts for Kids. Kiddle Encyclopedia.