Episode 2 expands on the mineral concept by discussing the characteristics of minerals used in mineral identification. Minerals are categorized by the use of descriptive criteria;
1) Color
2) Hardness
3) Luster
4) Shape/Cleavage
5) Density
2) Hardness
3) Luster
4) Shape/Cleavage
5) Density
Fruit are again used to describe these elementary criteria and relate to the discussion on how minerals are categorized.
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