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crystalline quartz buying - clear quartz pendant
Crystalline Quartz Buying Guide

Although often overlooked, quartz is available in many styles at reasonable prices. Our crystalline quartz buying guide can help you pick your next piece.

Colorado gemstones - rhodochrosite pendant
A Visitor’s Guide to Colorado Gemstones

Colorado has a lot to offer gemologists and rock hunters. Before you visit, learn about Colorado gemstones as well as notable gem shows, museums, and clubs.

A View of The Quartzsite Gem Shows

The Quartzsite gem shows attract gemologists and rock hounds from around the world. Learn what to expect and how to shop at these huge annual events.

A Beginner’s Guide To Common Gemstone Heat Treatments

Gemstone heat treatments can increase the beauty and value of many rough pieces. Learn how to conduct the most common procedures safely.

Grading Gem Carvings

Gem carvings are judged on material, workmanship, and artistry.  Learn how to apply these criteria to a piece with our step-by-step guide.

Faceting Design Diagram: Cross-Point – Quartz – Citrine, Amethyst, Ametrine, Smokey, Rose

Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Cross-Point"

Faceting Design Diagram: Strip “O” – Quartz – Citrine, Amethyst, Ametrine, Smokey, Rose

Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Strip "O" ".

Faceting Design Diagram: Mask Rectangle – Quartz – Citrine, Amethyst, Ametrine, Smokey, Rose

Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Mask Rectangle".

Faceting Design Diagram: Wink – Quartz – Citrine, Amethyst, Ametrine, Smokey, Rose

Successful tips, details and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Wink".