[Basic Introduction]Opal, also known as opal, is a hydrate of silicon dioxide (SiO₂·nH₂O). Due to the diffraction eff···

Comprehensive introduction of orpiment ore1. Basic introductionOrpiment is an arsenic sulfide mineral with a chemical co···

As one of the most widely distributed iron oxides in nature, magnetite has a unique cubic crystal structure that hides m···

Cuprite (chemical formula Cu₂O) is a symbolic mineral of the oxidation zone of copper deposits. Its bright red hue is o···

1. Core characteristics of hematite1️⃣ Chemical compositionThe chemical formula is Fe₂O₃ (ferrous oxide), with an ir···

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