Opals in the Australian Outback
Discover the beauty of opals in the Australian Outback. Opal expert Peter Brusaschi shares the story of how he learned about Yowah nut opal from…
Gemology Cheat Sheets
…Color Descriptors Additional Reading Diamond Cut Grading Modern Diamond Cut Grading Tolerances Additional Reading Opal Terminology Opal…
How to Dry Opals Safely
…crack if they dry out. I’ve also heard that silicone can be injected into opals for stability. Will that help? By International Gem Society…
Bangkok Opal Gems Ltd.,Part
Jewelry Manufacturer (Silver and Karat Gold) (OEM, ODM) Jewelry Wholesaler Australian Opal (Boulder, White, Crystal) Opal and Opaque Stone…
Pricing Information For Star Opals From Spencer, Idaho
…trying to put a realistic value on what I cut. Does anyone have any pricing information or guidelines for star opals? Star Opals, Circa Mid-1970s…
Bangkok Opal Gems Ltd.,Part
Jewelry Manufacturer (Silver and Karat Gold) (OEM, ODM) Jewelry Wholesaler Australian Opal (Boulder, White, Crystal) Opal and Opaque Stone…
Gemstone Doublets, Triplets, and Other Assembled Stones
…Opals “Natural Gemstone Doublets”? Boulder opals form on brown ironstone matrix and can show dazzling fire. Matrix opals consist…
Protective Gem Settings for Rings
…for both assembled and whole, natural opals. Ring with bezel-set opals. Photo by James Petts. Licensed under CC By-SA 2.0. Solid Backings When…
Precision Faceting A Story Gemstone: The Faceting Process
…Diagram Faceting Precision Faceting A Story Gemstone: 5-Part Series Crown Jewel: An Opal Story Sandra was passionate about opal. She saw some…
IGS Become Member