Publishing a Video Book on Correct Geuda Identification Accurate identification of suitable geuda sapphires before heat treatment is essential for successful enhancement. This year, we will publish a printed book on geuda heat treatment and identification. However, identifying geuda varieties using photos alone is challenging. Therefore, this project aims to publish a book with integrated…
Exploring the Potential of Pearl Culture in the Coastal Waters of Trincomalee, Sri Lanka: A Research Initiative with Economic and Environmental Benefits Sri Lanka, historically known as the “Pearl of the Indian Ocean,” has been renowned for its rich marine resources, particularly its natural pearl fisheries. The Gulf of Mannar, located between Sri Lanka and…
Development of Fracture Fillers for Enhance Optical Properties in Sapphire Gemstones using Rutile and Quartz The gem industry lacks durable, non-toxic fracture-filling materials specifically designed for sapphires. Many existing fillers degrade over time, lack stability under heat and pressure, or contain substances that may be hazardous to the environment. A reliable and sustainable solution is…
Study of the colour-tone variation of faceted stones depending on the number of facets of standard cuts for lighter-toned gems The value of light coloured gems could be increased by improving colour-tone. This could be achieved by changing the number of facets of standard cuts. There are several other factors that affect the cut quality…
