How Do Gemstones Form?
How do gemstones form in the earths crust? It is far more complicated than first thought but we have broken it down to make it easier to understand
How Do They Treat Ruby Gemstones?
Have you ever wondered how they treat Ruby gemstones? There are so many different types of treatments on the market and we will help to explain them
How Does Alexandrite Change Color?
Alexandrite is one of the rarest gemstones on the planet. It has the ability to change colors under different light. Lets explore how it does that
Is Amber a Mineral?
Amber is a gemstone, but it is not a mineral. Let's explore what makes Amber tick and why its not considered to be a mineral.
MOHS Hardness Scale For Gemstones
The MOHS scale of hardness is universally used when describing gemstones. But what does it mean and how can you use it help protect your gems and jewelry
Oregon Sunstone Durability And Hardness
The hardness of Oregon Sunstones ranges from 6.0 to 6.5 on the Mohs Scale. It’s a suitable for a wider variety of jewelry types because of its hardness rating.
There are many treatments for Pearls that change their apperance. Most of these treatments are acceptable. Learn more about this gemstone and browse the beautifully cut stones we have for sale.
Phenomenal Gemstones — Gemstones with Optical Properties
Ever heard of phenomenal gemstones? These gemstones display amazing optical effects under different lighting, such as cats eyes and stars. Read more about these amazing gems..
Physical Properties of Gemstones
Each gemstone has it's own unique set of physical properties that can be used to identify it. These include hardness, growth patterns and cleavage. Learn more about the physical properties of gemstones.
Sapphire Gemstone Treatments On Gem Rock Auctions
Sapphires listed on GemRock Auctions are categorized in regards to the treatment methods used. Learn how we deal with treatments.