Research Article Search Results
A Unique Omphacite Jade Pendant
More on Virtu Gem’s Ethical Supply Chain Practices
An update on Virtu Gem’s mission to improve artisanal mining and gem trading practices in Kenya, Malawi, and Zambia.
The Elahera Gem Field in Central Sri Lanka
The Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.
Sapphires from Australia
An overview of Australia's recent significance in the production of blue sapphire.
Dumortierite-Quartz Rock Presented as Sapphire
The Gem Testing Laboratory of Jaipur, India, received for identification an opaque blue specimen, submitted as sapphire.
Beyond Beauty: A Garnet Necklace Decoded
The 3309 cm–1 Series in Sapphire and Ruby: A Focus on FTIR Peak Position Variation
Investigates the correlations between peak positions in the 3309 cm–1 series with trace element concentrations for ruby, metamorphic and basalt-related blue sapphire, and laboratory-grown sapphire.
Burmese Jade: The Inscrutable Gem
Introduction to the Micro-World of Gems
Amber with Mite Inclusion
An unusual mite is preserved in a 30-million-year old amber specimen.




