Quartzite : un minéral industriel vital
Quartzite is a metamorphic rock composed mainly of quartz. It is far from ordinary—instead, it serves as a critical mineral resource supporting numerous industrial sectors. It forms through the regional metamorphic recrystallization or contact metamorphism of protoliths such as quartz sandstone, other siliceous rocks, or silica-rich rocks near magmatic bodies. Quartzite ore consists of cryptocrystalline […]
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