Global Gemology - Rare Gems & Jewels
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BOG OAK

Picture
Antique, Victorian era, carved bog oak mourning brooch with textured star
Photo courtesy of Scott Papper, GIA GG, CMA, AJP

Bog oak is a form of fossilized wood, usually from Ireland, that turns a dark brown or black color.

Much like jet, bog oak is warm to the touch, lightweight and easy to carve.

However, bog oak has a matte finish, and can't be polished to a high gloss finish, like jet.
  • HOME
  • ABOUT
  • SHOP
  • SERVICES
    • APPRAISALS
    • EXPERT WITNESS TESTIMONY
    • SELL YOUR JEWELRY
  • GEMOLOGY
    • GEM ENCYCLOPEDIA
    • THE ART OF GEMOLOGY
  • JEWELRY EDUCATION
    • DIAMOND FACTS
    • JEWELER DIRECTORY
    • JEWELRY PERIODS
    • POCKET WATCHES
    • NATIVE AMERICAN JEWELRY
  • GLOSSARY