Submitted by CaitlinN22 t3_11960xn in explainlikeimfive
Emyrssentry t1_j9koipa wrote
Reply to comment by ScienceIsSexy420 in ELI5: Are all solids minerals? If not, why? by CaitlinN22
As an example, both sapphires and rubies are the same mineral (corundum) with different impurities that change the color.
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