The gemstone hardness scale and chart for select gems can be used.
The Mohs Hardness Scale and Chart for Select Gems are used in Gemology.
The scale is used to compare items.The image was taken by the National Park Service.The public domain.
The creator of the Mohs scale is Friedrich Mohs.There is a lithograph by Josef Kriehuber.The collection of Peter Geymayer.The public domain.
On May 5, membership prices will increase for the first time in 3 years.Current members will not see their rates increase.You can lock in lower rates before they go up.
A novice gem cutter needs to master various dopping techniques.You can learn how to attach gem rough to a dop stick.
A variety of gems were combined with opulent but graceful metalwork.Learn how this style inspired modern jewelry.
It's important to get a brilliant polish to finish your jewelry.You will need the tools and techniques for polishing.
An interesting mix of physical and optical properties help distinguish rare stibiotantalite from other earth-toned gemstones.
Gemological formulas can be used to identify gems and minerals.You can learn what the symbols, numbers, and parentheses mean.
A wide variety of shapes, sizes, and colors are available in this golden age of pearls.Our guide can help you pick a pearl.
The world's top resource for gem professionals, enthusiasts, and industry content is the International Gem Society.You can learn more.
The International Gem Society has a guide to gemstone identification.Get a free copy of the Gem ID Checklist by joining our weekly newsletter.
The International Gem Society is a company.All rights belong to the person.Privacy policy, terms of use, and disclosure