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The top documents tagged [luster vitreous]
1 Presented by – Mr.Upali Nandalal Gemmologist. Historical background of Padmaraga The name derives from the Sinhalese word for Lotus blossom, from time
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Azurite CHEMISTRY - Cu3(CO3)2(OH)2 Copper Carbonate CRYSTALLOGRAPHY - Monoclinic CRYSTAL GROWTH AND HABITS - Azurite is prismatic and typically found
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