Glossary

Whether you are a seasoned professional or an enthusiast, Porolis Glossary is an invaluable resource that will enhance your understanding, streamline your research, and enrich your communication within the gemstone industry. With our expertise in photomicrography, AI and blockchain, you also learn specialized knowledge on how digital gemmology is applied and transforming the industry.

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Transmittance (of Light)

That fraction of the emitted light of a given wavelength which is not reflected or absorbed, but which passes through a material or object.

Treated Gemstone

Treated gemstones are those which have been processed in some way to enhance their colour apearance or clarity. Heat treatment is the oldest method whereas other techniques include lattice diffusion, bleaching, dying, fracture filling, irradiation and surface coloration.

Trichroic

Trichroic refers to a gemstone that displays three different colours or shades when viewed from different angles or directions.