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Robert Michael Gems & Jewelry

Robert Michael Gems & Jewelry

Specializing in Colorado Gemstones®

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Featured Bracelets

#2033: Sky Blue Topaz in a Sterling Silver Bangle Bracelet

$236.00

#2032: London Blue Topaz in a Sterling Silver Bangle Bracelet

$236.00

#2036: Brazilian Citrine gemstones in a Sterling Silver Bangle Bracelet

$212.00
Featured Rings

#6186: A Natural Aquamarine Crystal from Mt. Antero Colorado

$239.00

#6182: Three Colorado Gemstones set in Sterling Silver

$369.00

#6145: Brazilian Citrine set in Sterling Silver

$144.00
Featured Pendants

#5420: Red Helenite in Sterling Silver

$222.00

#5124: California Bicolor Tourmaline Sterling Silver

$550.00

#5614: Arizona Peridot Heart in Sterling Silver

$324.00

Mozambique Garnets in Sterling Silver (Copy draft. 5416-2)

$240.00

#5602: Natural Moldavite, the only Extraterrestrial Gemstone

$252.00

#8071: Green Chrysoprase Cabochon Sterling Silver Pendant

$162.00

#5517: Montana Garnets set in Sterling Silver

$240.00

#5371: Peridot from Robert’s Colorado Mining Claim

$186.00
Emeralds: The Resplendent Gemstone of May
Apr 26Apr 26

Emeralds: The Resplendent Gemstone of May

Emeralds are one of the most precious and desirable gemstones in the world. They have been coveted for their deep green color and unique characteristics since ancient times….

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Colorado Lapis from the Blue Wrinkle Mine
Apr 20May 21

Colorado Lapis from the Blue Wrinkle Mine

This Article was copied from Nammu.com in its entirety.  We hope you enjoy reading it.   Colorado’s Blue Wrinkle Mine   When we talk about Lapis Lazuli we immediately think…

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Difference Between Topaz and Quartz
May 23Apr 26

Difference Between Topaz and Quartz

What’s The Difference Between Topaz and Quartz When I cut white Quartz and white Topaz, they look identical. In fact, when both are faceted using the exact same…

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A Brief History of Colorful Gemstones
Nov 11Apr 26

A Brief History of Colorful Gemstones

A Brief History of Colored Stones: From Ancient Egypt to the Red Carpet By David Yurman Nowadays, a celebrity stylist might choose a certain piece of jewelry for…

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Gemstones - Shades of Blue
Aug 23Apr 26

Gemstones – Shades of Blue

When most people think about a blue gemstone, Sapphire is usually the first gemstone to come to mind, but there are a large number of other blue gemstones…

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Gemstones - Shades of Green
May 28Apr 26

Gemstones – Shades of Green

Green presents the most choices in colored gemstones, though many of the finest green gems — such as Emerald, Jade, and Demantoid and Tsavorite Garnet — are quite…

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Colorado Gem & Mineral Locations
Dec 24

Colorado Gem & Mineral Locations

There are over 774 gems and mineral localities in Colorado.  Here’s a list of key locations and the material that can be found (Source: Rocks and Minerals, July 2002)…

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