The black volcanic sand on Iturup Island in Russia’s Kuril Archipelago contains iron-rich minerals such as magnetite and titanomagnetite, giving it a strong magnetic response when exposed to a powerful magnet.Did you know? 🎓
The black volcanic sand on Iturup Island in Russia’s Kuril Archipelago contains iron-rich minerals such as magnetite and titanomagnetite, giving it a strong magnetic response when exposed to a powerful magnet.Did you know? 🎓
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