Kunzite Buying Guide
Rare and fragile, kunzite challenges lapidaries and delights jewelry aficionados. Our kunzite buying guide can help you add this gem to your collection.
1 Minute Read
Related Articles
Spodumene Value, Price, and Jewelry Information
Extraordinarily difficult to cut, spodumene has several colorful varieties, such as hiddenite and kunzite, highly coveted for jewelry.
Read More
What is Gemstone Cleavage?
Gemstone cleavage is a break in a crystal along internal planes. Learn the science behind this and the difference between...
Read More
Buying Gemstones in Afghanistan: A Beginner’s Guide
Considering buying gems in Afghanistan? Learn which Afghan gemstones to seek out, which to avoid, and prepare for a “buyer...
Read More
Quahog Pearl Buying Guide
Your next plate of steamed clams might hold a rare quahog pearl. Learn how to judge the quality of these...
Read More
Latest Articles
Mineralogy of Silicates: Nesosilicates and Sorosilicates
Silicates include well-known minerals such as zircon, topaz, and garnet. Learn how to identify minerals from two silicate sub-groups.
Read More
Destructive Gemstone Tests: Scratch Testing
Gemstone scratch testing can help determine the Mohs hardness value of a mineral sample. Learn how to conduct this destructive...
Read More
Painite Value, Price, and Jewelry Information
Until 2001, only three painite crystals were known to exist. Since then, additional discoveries have produced many more specimens of...
Read More
Polariscope Guide, Part 3: Testing for Gemstone Twinning, Dichroism, and Crystal Strain
You can use a polariscope to observe gemstone twinning, dichroism, and crystal strain. Test your ability to identify these and...
Read More
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get Gemology Insights
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!