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Applied Sciences, Free Full-Text
Beryl: Mineral information, data and localities.
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Rough Natural Green Tourmaline Crystal Cluster Raw, 1-7Kg at Rs 1800/piece in Lucknow
Gems Through the Ages
Origin and depositional history of platinum-group minerals in placers – A critical review of facts and fiction - ScienceDirect
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61mm ite Rough Green Natural Sparkling Mineral Cab Feldspar Crystal Stone Raw - India : Home & Kitchen
Gems Through the Ages