A variety of gemstones and mineral specimens

Discover the World of Gemstones

From loose gemstones to mineral specimens, expand your gemological education and explore your own gemstone journey.

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What is the Mohs Hardness Scale?

The hardness of gem materials is an important measurement we can easily understand through the Mohs Hardness Scale. Austrian geologist and mineralogist, Friedrich Mohs, created this standard comparison of the hardness of one gem material against another 200 years ago.
What is the Mohs Hardness Scale?

Latest Articles

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Chrome Diopside vs. Emerald

Learn all about chrome diopside, a green gemstone known for its beauty and extreme story. Compare and contrast chrome diopside with emerald, the king of gems!
Polished and faceted green chrome diopside
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Phenomenal Color Change Gemstones

Discover phenomenal color change gemstones such as alexandrite, fluorite, sapphire and garnet, and learn all about gemstone phenomena and gemstone color change.
Phenomenal Color Change Gemstones
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A Closer Look at Petrified Wood

Learn the story of petrified wood: a unique fossil that transitioned from wood to stone joined by unique minerals.
A Closer Look at Petrified Wood

About Us

Gemstones.com is the leading authority on color gemstones and the trusted gemological resource for budding enthusiasts and advanced professionals alike. Originating from a desire to create a reliable, one-stop destination for gem information and backed by industry experts with decades of experience, Gemstones.com provides quality education and inspires individuals to explore the fascinating world of gemstones.

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Shop Gemstones on JTV

Shop Gemstones on JTV

Shop Gemstones on Jedora

Shop Gemstones on Jedora

December's Birthstones - Turquoise, Tanzanite, Blue Topaz and Blue Zircon

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All About December's Four Birthstones

Learn all about Blue Topaz, Blue Zircon, Tanzanite and Turquoise including the meanings, properties, histories and varieties of these gemstones.
All About December's Four Birthstones
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All About December's Tanzanite & Turquoise

Take a look into December's birthstones turquoise and tanzanite!

December's blue birthstones turquoise, tanzanite and blue zircon
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Turquoise

Learn about turquoise, one of December's blue birthstones.

an assortment of polished turquoise gemstones
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Tanzanite

Learn about Tanzanite, the purple, violet and blue variety of zoisite.

polished and faceted tanzanite gemstone

Featured Videos

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Unboxing 10 Stunning Red Gemstones: Ruby, Spinel and Garnet

Delve deep into the world of these spectacular red gemstones and learn their stories!
Unboxing 10 Stunning Red Gemstones: Ruby, Spinel and Garnet

Cutting Into A HUGE Amethyst Geode!

On today's episode, we're opening our biggest geode yet! It's an Amethyst Cathedral from Brazil & we find a lot more than we bargained for! Watch as we reveal the amazing crystals inside & learn how these natural wonders get their shape.
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All About Black Diamonds

Black Diamonds fascinate us! Rob, your host, wants to take you deep into the world of these spectacular gems!  Ever wonder how these diamonds, and other colored diamonds, get their beautiful hues? Check in to watch just how these Black Diamonds come into being and more!
All About Black Diamonds

Unboxing $3,000,000 in Gemstones | Paraiba Tourmaline & More

Watch our most expensive unboxing!

Unboxing $3,000,000 in Gemstones | Paraiba Tourmaline & More

All About Dream Stones & Gems in Dreams

Discover the History & Lore of "Dreamstones"!

All About Dream Stones & Gems in Dreams

History of Gemstones

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Gemstone History

Gemstone collecting has a history dating back to the travels of Marco Polo. Discover the tales that led to the popular past time of collecting gemstones.
Gemstone History
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Gemstone Origins

Discover the breathtaking gemstone properties that have captured man's imagination for thousands of years.
Gemstone Origins

Explore Articles

Gemstone Education

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Gemstone Weight vs. Gemstone Size

Discover the difference between gemstone weight and gemstone size.
Gemstone Weight vs. Gemstone Size
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Phenomenal Gemstones and Optical Properties

Phenomenal gemstones exhibit unique and stunning optical characteristics like cat's-eyes, color change and more.
Phenomenal Gemstones and Optical Properties
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Diamond Grading: the Four Cs

Investigate the 4 Cs of diamond grading, diamond carat weight, diamond clarity, diamond color and diamond cut to help you buy the best diamond for you.
Diamond Grading: the Four Cs
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Gemstone Identification: How to Identify Gemstones

Discover how to identify gemstones with this gemstone identification guide.
Gemstone Identification: How to Identify Gemstones

Gemstone Discovery App

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Build a Customized Gemstone Collection

Create, upload and organize your very own gemstone catalog anywhere and anytime with this easy-to-use and unique app experience.

gemstone discovery app on mobile smartphone

Gemopedia

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Did You Know?

Learn about amber, the ancient fossilized resin of trees that grew in forests millions of years ago. Research indicates that amber ranges from about two million to 360 million years in age.
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