Morphologies and Surface Features of Diamond Samples from Southern Thailand
In 1955, the first report on Thai diamond was made by Dr. Payome Aranyakanon, a renowned tin exploration geologist of Thailand Department of Mineral Resources
Gems in Greece: Geology, mineralogy and crystallizing environment
In the accretionary Hellenides Orogen, gems occur in various rock types of mainly four tectonometamorphic units, the Rhodope- and the Attico-Cycladic massifs, the Pelagonian zone,
Modern Cultivation of Freshwater Pearls in China: Advances in Materials, Technique
This presentation explores the modern advancements in freshwater pearl cultivation in China, focusing on the materi- als, techniques, and market orientation driving the industry
Geographic Origin Determination of Natural Yellow Sapphires: The Preliminary Study
Determining the geographic origin of yellow sapphires plays a critical role in the gem trade, as origin often dictates both perceived quality and market pricing