Mark Liccini

The late Mark Liccini began his career as a stone carver in the 1970s and worked for many decades as a renowned lapidary. Mark mastered the art of gemology, gaining degrees from the Gemmological Association of Great Britain and the Columbia School of Gemology.

Articles by

Mark Liccini

Emerald Fillers and Treatments

Emerald fillers can improve the beauty of these gems but also have some drawbacks. Learn how to choose the right filler treatment for a particular…

Quartz Color Treatments

Quartz color treatment results vary due to the stone’s origin. Learn the effects you can achieve with different materials and radiation and heat…