The Strange Rocks That Could Loosen China’s Grip on Rare Earths
Ben Sullivan
They have names that sound borrowed from a fantasy novel: melilitite, nephelinite, ultramafic lamprophyre, kimberlite. Until quite recently they were mostly the preserve of mineralogy textbooks
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They have names that sound borrowed from a fantasy novel: melilitite, nephelinite, ultramafic lamprophyre, kimberlite. Until quite recently they were mostly the preserve of mineralogy textbooks