Rutilated Quartz Buying Guide
Silky golden rutile inclusions in quartz have become quite popular. Read our rutilated quartz buying guide to help you choose a stone for your next project.
2 Minute Read
Related Articles
Crystalline Quartz Buying Guide
Although often overlooked, quartz is available in many styles at reasonable prices. Our crystalline quartz buying guide can help you...
Read More
Faceting a Gemstone Pendulum to Feature Inclusions
Showcase the amazing inclusions in minerals like rutilated quartz in a gemstone pendulum design. Learn how to facet these gems...
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
Melo Pearl Buying Guide
Bright orange colors and flames that seem to dance across the surface make the melo pearl a fascinating gem choice....
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!