Friday, January 27, 2017

Winter 2017 Tucson Gem Shows

The Winter 2017 Tucson Gem Shows started on January 17 with the main show beginning on February 9 and going through February 12.  The schedule is available here.  The website of the Tucson Gem and Mineral Show is here.

Monday, May 14, 2012

What is andesine, really?

In the last few years we have heard a lot about andesine, also called red labradorite or even sunstone.  This feldspar is frequently sold on cable shows and the internet, either in jewelry or as an investment.  We recommend this article for more information:  The Great Andesine Scam by Gary Kratochvil.

Monday, August 22, 2011

Free Gemstone Identification

AIGR's certified graduate gemologists will be identifying gemstones at The 44th Annual Denver Gem and Mineral Show on September 16, 17, and 18.  The show will be held at the Denver Merchandise Mart Expo Hall, 451 E. 58th Avenue (I-25 at Exit 215).

AIGR's booth is located in the public area near local mineral clubs. The gemologists will determine the species and variety of faceted gemstones at no cost for people attending the gem show.

Monday, August 8, 2011

Jewelry Appraisal Clinics

Call the store nearest you to schedule an appointment for an appraisal clinic held by one of AIGR's certified graduate gemologists:
Schapell Jewelers
  • Boulder - 303-442-1135

The Gilded Artisan
  • Colorado Springs - 719-495-1060
If you can't  attend one of the appraisal clinics, contact AIGR directly.