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Research Articles

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Variscite (AlPO4 2H2O) from Cioclovina Cave (Sureanu Mountains, Romania): a tale of a missing phosphate
Bogdan P. Onac, Joe Kearns, Radu Breban, and Simona Cîntă Pânzaru

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Raman spectroscopy on gem-quality microcrystalline and amorphous silica varieties from Romania
Dana Pop, Ciprian Constantina, Dan Tătar, and Wolfgang Kiefer

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