CZ has a Moh’s hardness of 8.5. That means it is a hard and durable gem although not as hard as diamond. Most CZ can be described as colorless, and most have high clarity with minute, if any, ...
Diamond, MO. — the 30th annual Gem City Days is almost here and they’re inviting you to come out and celebrate. The event is happening on September 9 – 10, 2022. Not only is there free parking, but ...
As a consumer, you will regularly encounter in the marketplace gems that have been treated to change their appearance. A topic that often comes up is whether a particular gemstone is or isn’t treated.