Gemstone heat treatments can increase the beauty and value of many rough pieces. Learn how to conduct the most common procedures safely.
Telling synthetic rough from natural stones in a gem parcel can be challenging. These tips can help you find some telltale signs of lab-created material.
The Three Muses gemstone is a faceting design based on the number 3. These notes, diagrams, and instructions will show you how to cut your own gem.
Two of the trickiest gemstone separations to make are scapolite from citrine and apatite from tourmaline. Learn some tips for distinguishing these gems.
Everything you ever wanted to know about chalcedony. Find value guidelines, scientific data, expert comments, and more in our Gemstone Listings.
Everything you ever wanted to know about agate. Find value guidelines, scientific data, expert comments, and more in our Gemstone Listings.
With the right tools and a little drilling know-how, you can create a rock lamp with an agate or jasper base, an oil lamp, and a glass lantern.
Gem carvings are judged on material, workmanship, and artistry. Learn how to apply these criteria to a piece with our step-by-step guide.
The Collector's Guide to the Minerals of New York State is ideal for both experts and hobbyists. Its information, organization, and photos are first rate.
“Genesis And Classification Of Agates And Jaspers: A New Theory” insightfully explains the formation of these gems and features beautiful photos.