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About Obsidian

Obsidian is a naturally occurring volcanic glass. It is formed when felsic lava extruded from a volcano cools without crystal growth. Obsidian has been known since prehistoric times, and has some fascinating properties as well as some important practical uses. In addition to its use as a gemstone, obsidian has been used in cardiac surgery, as well-crafted obsidian blades have a cutting edge many times sharper than high-quality steel surgical scalpels.

In some stones, the inclusion of small, white, radially clustered crystals of cristobalite in the black glass produce a blotchy or snowflake pattern, and this is known in the gem trade as snowflake obsidian.

Certified Customer Reviews

Overall Rating -> 10

I had a limited budget and wanted a star ruby. GemSelect offered small, but pretty stones at a very reasonable price. I've always been satisfied with my GemSelect purchases, although there are also eBay vendors I use for less expensive gems. Their selection of more expensive stones, like rubies, is very limited, however.

Posted By Dr S in February, 2021

Source: Bizrate

Overall Rating -> 8

I decided recently to start a gemstone collection! I searched online for a reputable gem merchant and found gem select! Their selection is gorgeous and I’m excited to receive my first package! Checkout was a breeze!

Posted By Chris in February, 2021

Source: Bizrate

Overall Rating -> 9

I WAS ABLE TO FIND THE GEM I NEEDED TO MOUNT ON A SPECIFIC RING. THANK YOU

Posted By E's! Review in February, 2021

Source: Bizrate

Overall Rating -> 10

I spent hours on looking at so many different gems and there’s so much variety to choose from it’s like a kid at the candy store.

Posted By HiddenGem in February, 2021

Source: Bizrate

Overall Rating -> 10

My experience with GemSelect has been non-laboring and satisfying. The gem was perfectly and safely packaged. I look forward to doing more transactions in the future!

Posted By MonieMac in February, 2021

Source: Bizrate

Overall Rating -> 10

I am purchasing stones for jewelry making and I like what is offered here.

Posted By Gemg in February, 2021

Source: Bizrate

Gemstone Information

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Gemstones A-Z

Buy Obsidian Gems

Oval Black Obsidian

Oval Black Obsidian

Oval Golden Obsidian

Cushion Golden Obsidian

Trillion Golden Obsidian

Trillion Black Obsidian

Cushion Golden Obsidian

Oval Golden Obsidian

Pear Black Obsidian

Oval Multicolor Obsidian

Oval Golden Obsidian

Pear Black Obsidian

Pear Black Obsidian

Oval Golden Obsidian

Oval Black Obsidian

Fancy Multicolor Obsidian

Cushion Golden Obsidian

Pear Multicolor Obsidian

Pear Golden Obsidian

Cushion Black Obsidian

Oval Golden Obsidian

About Obsidian

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