Covers HPHT diamond enhancement methods and beryllium lattice diffusions techniques for corundum as well as the low pressure high temperature CVD synthesis of thick film diamond. This work includes details of the Foundation course introduced by the Gemmological Associations, and provides examination notes.
Preface; Introduction; The geological origin & occurrence of gemstones and their localities; The chemical composition of gemstones; Crystallography; Cleavage, parting and fracture; Hardness; Specific gravity, density and relative density; Colour Lustre & sheen; Reflection & refraction; Polarization & pleochroism; Spectroscopy; Luminescent, electrical & thermal properties of gemstones; The hand lens, microscope & Chelsea filter; Gemstone enhancement; Synthetic gemstones & gemstone simulants; Identifying inorganic gemstones & gemstone simulants; Identifying inorganic gemstone simulants; Identifying organic gem materials & their simulants; The fashioning of gemstones; Practical gemstone identification, Appendices; Index
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Covers HPHT diamond enhancement methods and beryllium lattice diffusions techniques for corundum as well as the low pressure high temperature CVD synthesis of thick film diamond. This work includes details of the Foundation course introduced by the Gemmological Associations, and provides examination notes.
Preface; Introduction; The geological origin & occurrence of gemstones and their localities; The chemical composition of gemstones; Crystallography; Cleavage, parting and fracture; Hardness; Specific gravity, density and relative density; Colour Lustre & sheen; Reflection & refraction; Polarization & pleochroism; Spectroscopy; Luminescent, electrical & thermal properties of gemstones; The hand lens, microscope & Chelsea filter; Gemstone enhancement; Synthetic gemstones & gemstone simulants; Identifying inorganic gemstones & gemstone simulants; Identifying inorganic gemstone simulants; Identifying organic gem materials & their simulants; The fashioning of gemstones; Practical gemstone identification, Appendices; Index
Este título pertence ao(s) assunto(s) indicados(s). Para ver outros títulos clique no assunto desejado.