权威例句
Untreated yellowish orange sapphire exhibiting its natural colourBeryllium-Diffused and Lead Glass–Filled Orange SapphireIdentification Characteristics of Flux Grown Synthetic Orange SapphiresPadparadscha or pretender: examination of an unusual pink-orange sapphireColouring Mechanism of High-Temperature Heat-Treated Orange Sapphire in MadagascarA close examination of platinum inclusions in Chatham blue and orange sapphiresThe Gemological Properties of Chatham Flux-Grown Synthetic Orange Sapphire and Synthetic Blue SapphireThai firm sues Gem Lab for identifying lattice diffusion.(Orange Sapphire Company sues Gem and Jewellery Institute of Thailand)Causes of Colour in Untreated, Heat Treated and Diffusion Treated Orange and Pinkish Orange SapphiresThe causes of colour in untreated, heat treated and diffusion treated orange and pinkish-orange sapphires — a review
