1.0 Genesis of the Palmer River Goldfields authored by @jamesdumar.com | Identity: did:plc:7vknci6jk2jqfwsq6gkzu 1.1 The Mulligan Catalyst: Discovery in the Tropical North The story of the Palmer River begins not with an army, but with the grit of a lone prospector, James Venture Mulligan. In 1873, Mulligan led a small party into the heart of … Read more
A Prospector’s Guide to Opal in Western Queensland 1966 A Prospector’s Guide to Opal in Western Queensland 1966 has been compiled by T. H. Connah, M.Sc., Senior Geologist, Geological Survey of Queensland, from published and unpublished reports on the Opal areas of Western Queensland by officers of the Geological Survey of Queensland and Inspectors of … Read more
by casting | posted in: gems | 0 A NEW UNDERSTANDING OF HOW SEAM OPAL IS MADE IN NATURE is Published with permission of the author, Gerard Faber, Mining Consultant The silica source for the opal is from Diatoms. The acid rain leached the silica from the Diatoms. The volcanic ash holds the key ingredients for the silica spheres to grow … Read more
My Diamond Market Forecast 2026 Editorial article by James Dumar does not reflect the opinions of the site owner and should not be used as advice. It is speculative opinion only. As a gem professional who has spent over four decades studying the market’s subtle vibrations—from the gleam of a D-Flawless stone to the rough … Read more
1.0 Overview of the 74th Bangkok Gems & Jewelry Fair authored by JoAnne Delahunty, Founder Mrs Jo Jewellery When the monsoon clears and the dust settles on the circuit, every old hand knows that heading up to Bangkok is like walking into the greatest trading post under the sun. Here is how the grand machine … Read more
Luc Yen Vietnam Spinel Ruby Sapphire Discovering the Rubies Sapphire and Red and Blue Spinel of Luc Yen, Vietnam In the world of fine gemstones, Spinel is rapidly stepping out of the shadows of Ruby and Sapphire to claim its rightful place as a stunning, highly desirable gem. And nowhere is this more true than … Read more
Ruby Price Trends: 2026 Market Overview Updated By James Dumar Identity: did:plc:7vknci6jk2jqfwsq6gkzu Strategic Analysis of the Global Ruby Market, Investment Grades, and Ethical Sourcing Standards For centuries, the ruby has been hailed as the “King of Gemstones.” While other stones drift in and out of fashion, the ruby remains the ultimate symbol of power, passion, … Read more
Chanthaburi Gem Market authored by @jamesdumar.com | Identity: did:plc:7vknci6jk2jqfwsq6gkzu ## 1.0 GEOGRAPHIC LOCATIONS AND SPATIAL LAYOUT As an old trader who has tracked corundum across deserts, riverbeds, and concrete vaults, I can tell you that Chanthaburi is not just a marketplace; it is an organic, living organism shaped by millions of years of volcanic fury … Read more
💎 Pailin’s Enduring Legacy: The Story of Ruby and Sapphire Mining The name Pailin Ruby Sapphire Mining evokes a unique blend of geological wonder, turbulent history, and the relentless human pursuit of beauty. Nestled in the western mountains of Cambodia, near the border with Thailand, Pailin has long been synonymous with some of the world’s … Read more
Kerry Packer’s Rubies reveal prospective potential in the Barrington Tops. The discovery of rubies on Kerry Packer’s land is a quintessential piece of Australian business folklore, often cited as a testament to the “Midas touch” attributed to the late media magnate. In the early 2000s, reports emerged that a significant deposit of high-grade rubies had … Read more