This feature is provided courtesy of Gemworld International, Inc., publishers of the GemGuide and Gem Market News.
from Gemworld International: Fire Opal
MUST READ
All
- All
- Antique & Estate Gems
- Antique & Estate Gemstone News
- Antique & Estate Shows
- Auctions
- Celebrity Gem News
- Celebrity Gem News
- Colored Gems
- Colored Gemstone News
- Diamond News
- DIamonds
- Education
- Fancy Color Diamonds
- Featured News
- Gem & Jewelry Conferences
- Gem & Jewelry Shows
- Gem Labs
- Gems & Minerals
- Gemstone Enhancement
- Lists of Gem Materials
- Minerals
- Mining
- Museum Collections
- On a personal note
- Original Content for the Roskin Report
- Pearls
- Photography
- Schools
- Trade News
- Trade Shows
- Tradeshow Calendar
- Trends
New Spinel Treatment: Nickel Diffusion
New Spinel Treatment: Nickel Diffusion
Scientists at the GIA laboratory in New York City recently discovered spinel, treated by nickel diffusion, in a parcel of...
