Relating to or characterized by having the same composition but different crystal structures or forms.
From allothimorph + '-ic' (relating to). The adjectival form allows scientists to describe materials with this property. It's used in mineralogy and chemistry to classify substances with identical chemical formulas but different physical arrangements.
When gemologists look at an allothimorphic mineral, they're seeing proof that atoms have a secret life of their own—the same recipe can create rubies, sapphires, or corundum depending on tiny impurities and how they crystallize. It's like genetic identical twins raised in different countries!
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