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07-01-2024
Chemistry

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One of these minerals is a polymorph of pyrite (formula FeS2). What would you need to know about the minerals to decide if it could be a polymorph of pyrite? Spodumene, Orpiment, Realgar, Marcasite.
a) Crystal structure
b) Color and hardness
c) Geological formation
d) Magnetic properties

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