Sharing the Fun and Folklore of Gemology
…everyone of you. My name is Douglas S. Le Grand G.G., the initials at the end of my name G.G. stand for Graduate Gemologist. This is not a degree…
Tucson Gem and Mineral Show Reviews
…quarters at night. Good luck, Douglas LeGrand, GG Tents at Tucson Electric Park, Tucson Gem and Mineral Show, 2010. Photo by Patrick Gibbons.…
Early History of Jewelry: Ancient Times to the 17th Century
It seems that every person between the ages of 8 and 18 knows the story of Harry Potter and the Sorcerers Stone and Frodo the hobbit and his journey…
A World of Crystals
…air contain crystals. By Douglas S. LeGrand, GG , International Gem Society 5 minutes read Sometimes, crystals can fall from the sky. This slice…
Pricing Information For Star Opals From Spencer, Idaho
…grade a rare stone. However, the price is ultimately dictated by what you want for it and what the buyer is willing to pay. Douglas LeGrand, GG…
How to Re-Polish a Refractometer Hemicylinder
…accurate measurements. Douglas LeGrand, GG A Sign of Possible Oxidation on Your Refractometer Cylinder One indication of possible oxidation…
Legrandite Value, Price, and Jewelry Information
“Legrandite, Limonite,” Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico. Photo by Géry Parent. Licensed…
Master Diamond Cutter Mike Botha Takes On Esperanza
…Douglas of Inspired Jewelry, for the design, and Byard Brogan, for the manufacturing. What was needed was a design that highlights the shape…
Star Gemstones: Tips For Beginners
…what equipment you’ll need: Advanced Cabochon Cutting by Jack R. Cox, Star Gems by Douglas L. Hoffman, and Gem Cutting by John Sinkankas.…
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