| Blue Zircon from Ratanakiri, Cambodia |
8 |
| Spinel from Mogok, Myanmar-A Detailed Inclusion Study by Raman Microspectroscopy and Scanning Electron Microscopy |
4 |
| Blockchain, Chain of Custody and Trace Elements: An Overview of Tracking and Traceability Opportunities in the Gem Industry |
3 |
| Characterisation of Peridot from China's Jilin Province and from North Korea |
3 |
| DNA Fingerprinting of Pearls, Corals and Ivory: A Brief Review of Applications in Gemmology |
2 |
| Selecting a Diamond Verification Instrument Based on the Results of the Assure Program: An Initial Analysis |
2 |
| The Texture and Chemical Composition of Trapiche Ruby from Khoan Thong, Luc Yen Mining District, Northern Vietnam |
2 |
| A Preliminary SIMS Study Using Carbon Isotopes to Separate Natural from Synthetic Diamonds |
2 |
| Gem-Quality Amethyst from Rwanda: Optical and Microscopic Properties |
1 |
| A 15th-Century Polishing Machine for Gemstones Attributed to Henri Arnaut |
1 |
| An Update on Mineral Inclusions and Their Composition in Ruby from the Bo Rai Gem Field in Trat Province, Eastern Thailand |
1 |
| Gemmological Analysis of a Roman Sapphire Intaglio and Its Possible Origin |
1 |
| Current Status of Chinese Synthetic Diamonds |
1 |
| Unstable Colouration of Padparadscha-like Sapphires |
0 |
| Rhodochrosite Gems: Properties and Provenance |
0 |
| Out of the Blue: The Hope Diamond in London |
0 |
| The Effect of Blue Fluorescence on the Colour Appearance of Round-Brilliant-Cut Diamonds |
0 |
| Mineral Liberation Analysis and Scanning Electron Microscopy of Connemara Marble: New Mineral Distribution Maps of an Iconic Irish Gem Material |
0 |
| The Modern History of Gemstone Faceting in Sri Lanka |
0 |
| A Brief Study of Three Reported 'Coconut Pearls' from Southeast Asia |
0 |
| Doubling and Differential Magnification of Images Seen Through Calcite and Other Uniaxial Materials |
0 |
| Adding Logic to Luck: Recent Advances in Coloured Stone Exploration in Canada |
0 |
| What Truly Characterises a Chameleon Diamond? An Example of an Atypical 25.85 ct Stone |
0 |
| A Thick Overgrowth of CVD Synthetic Diamond on a Natural Diamond |
0 |
| Neutron Radiography and Tomography: A New Approach to Visualize the Internal Structures of Pearls |
0 |
| Revisiting Rainbow Lattice Sunstone from the Harts Range, Australia |
0 |
| An Explanation of a Specific Type of Circling as Observed on Ming Cultured Pearls |
0 |
| Bumble Bee Stone: A Bright Yellow-to-Orange and Black Patterned Gem from West Java, Indonesia |
0 |
| Vanadium-bearing Tourmaline from the Commander Mine, Nadonjukin, Tanzania |
0 |
| Mr Hornby's Diamond: Its Travels, Diplomatic Role and Possible Equation with the Nur al-'Ayn |
0 |
| Onshore and Nearshore Diamond Mining on the South-Western Coast of Namibia: Recent Activities and Future Exploration Techniques |
0 |
| Renaissance Recipes for Making Artificial Pearls by Leonardo da Vinci and Others |
0 |