Technical Information on Gemstones

Approved Gemstone Testing Laboratories

Approved Gemstone Testing Laboratories

GemRockAuctions has one of the largest range of Certified Gemstones online. Browse this list of approved gemstone testing laboratories.
  • 21st Jun 2017
  • 6
Azotic Treatment Of Quartz And Topaz

Azotic Treatment Of Quartz And Topaz

Azotic treatment of Topaz and Quartz is a treatment that creates a layer of color over a gemstone. Learn more about this treatment and check out our stones fro sale.
  • 21st Jun 2017
  • 0
Blue Sapphires: What Makes Sapphires Blue?

Blue Sapphires: What Makes Sapphires Blue?

The color of a Sapphire is cuased by different impurities inside the gemstone. Titanium for example creates the beautiful deep blue that we love so much in Sapphires
  • 15th Mar 2017
  • 3
Colour Changing Gemstones

Colour Changing Gemstones

Color changing gemstones are gemstones which change color in different lighting conditions. Learn more about these stones and browse our gemstones for sale.
  • 18th Apr 2017
  • 2
  • 3
Colourful Garnet Gemstones To Suit Everyones Taste

Colourful Garnet Gemstones To Suit Everyones Taste

In the world of Garnet there is a multitude of colors to suit everyone's taste. Check out what colors Garnets are available in and how they are all related.
  • 12th Jul 2016
  • 5
  • 3
Emerald Inclusions - What The Inner World of Emeralds Can Tell You

Emerald Inclusions - What The Inner World of Emeralds Can Tell You

Emerald Inclusions are fascinating. inside each Emerald the tiny inclusions tell a story about where the gem came from and how it formed.
  • 21st Jun 2017
  • 4
Four Tools For Gemstone Testing

Four Tools For Gemstone Testing

There are so many tools on the market for testing a gemstone, but what are the main tools required for simple analysis. Lets look at four tools for gemstone testing.
  • 16th Dec 2015
  • 17
  • 3
Gota De Aceite Emeralds

Gota De Aceite Emeralds

Gota De Aceite Emeralds have a special feature which increases their value. Read more about this rare type of Emerald and learn how it adds to the value.
  • 21st Jun 2017
  • 3
How Do Gemstones Form

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
  • 16th Feb 2017
  • 4
How Do They Treat Ruby Gemstones.

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
  • 21st Jun 2017
  • 9
Mohs hardness scale for Gemstones

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
  • 21st Jun 2017
  • 5
Pearl Treatments

Pearl Treatments

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.
  • 13th Oct 2015
  • 3
Physical Properties of Gemstones

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.
  • 9th Nov 2016
  • 4
  • 2
Sapphire Treatments

Sapphire Treatments

Sapphire Treatments refers to the process of improving the clarity, colour and value of Sapphires that have been mined out of the ground.
  • 14th May 2017
  • 7
  • 2
The Four Cs Of Diamond Quality

The Four Cs Of Diamond Quality

The Four C's are a standard definition on how to describe and judge the quality of a Diamond. let us explain it in more detail.
  • 2nd Nov 2015
  • 2
Types Of Quartz And The Enhancements Or Treatments Used

Types Of Quartz And The Enhancements Or Treatments Used

Quartz Crystal is one of the most common Minerals on Earth. It is one of the most loved gems and for centuries has been used for jewelery and carvings. Quartz Crystal is one of the most common Minerals on Earth. It is one of the most loved gems and for ce
  • 16th Dec 2015
  • 3
What are Synthetic Gemstones, Imitation and Simulants

What are Synthetic Gemstones, Imitation and Simulants

What are Synthetic Gemstones, Imitation and Simulants? We will explain the difference and how some of them are created.
  • 3rd Apr 2017
  • 3
What is a Carat And Is It Related To Karat?

What is a Carat And Is It Related To Karat?

Carat and Karat are two terms you will here in the Jewelry business that sound exactly the same. They have very different meanings though.
  • 22nd Mar 2017
  • 2
What Is Aquamarine Made Of

What Is Aquamarine Made Of

Aquamarine is made of a Beryllium, Aluminium Silicate and is part of the Beryl family of minerals. Beryl can be many colors but when it’s blue or blue-green it is called aquamarine.
  • 18th May 2017
  • 1

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