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Gemstones / Economic geology / Igneous rocks / Pegmatite / Oxide minerals / Phyllosilicates / Spodumene / Microlite / Lepidolite / Silicate minerals / Chemistry / Crystallography


Minerals in Afghanistan Rare-metal deposits Introduction In Afghanistan rare metals (lithium, caesium, tantalum and niobium) occur in three main deposit types: pegmatites,
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Document Date: 2007-05-17 12:51:48


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File Size: 2,64 MB

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