Gem Treatments Explained: A Complete Guide to Enhancement Practices Almost every coloured gemstone you sell has been treated. This is not an accusation — it is a statistical reality of…
The Complete Gem Professional Reference: Key Facts at a Glance This reference guide consolidates the most essential technical data for jewelry and gem professionals—hardness, refractive indices, specific gravities, common treatments,…
Hardness vs Toughness: The Most Important Distinction in Gemstone Durability Diamond is the hardest material on earth. Jade is tougher than steel. These two facts seem contradictory until you understand…
The Mohs Hardness Scale: A Complete Guide for Jewellery Professionals In 1812, a German mineralogist named Friedrich Mohs devised a simple test: if mineral A scratches mineral B, then A…
Heat Sensitivity in Gemstones: What Every Jeweller Needs to Know Heat is one of the most underestimated hazards in a jewellery workshop. A jeweller's torch can reach temperatures above 1,000°C,…
Chemical Sensitivity in Gems: What Damages Your Stones and How to Prevent It Diamonds dissolve in hydrofluoric acid. Pearls are slowly destroyed by the natural acidity of human perspiration. Emeralds…
Rare Collector Gems: Beyond the Mainstream Market Beyond the familiar world of diamonds, rubies, sapphires, and emeralds lies a vast universe of rare gems that command passionate devotion from collectors…
Jewellery Cleaning and Maintenance: The Complete Professional Guide Clean jewellery is beautiful jewellery. Even the finest diamond looks flat and lifeless under a film of skin oils, soap residue, and…
Famous Historical Gems: The Stories Behind the World's Most Celebrated Stones Behind the world's most famous gemstones lie stories of conquest, cursed ownership, royal intrigue, and record-breaking auctions. These narratives…
Ultrasonic Cleaners: When to Use Them, When to Avoid Them The ultrasonic cleaner is one of the most useful tools in any jewellery workshop — and one of the most…