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Exceptional and very rare Oregon opals with precious color play.

Opals in Oregon : Where to Find Opals in Oregon?

Pinfire Pattern Cantera Opal.

Cantera Opal : What is Cantera Opal ? How Cantera Opal...

Rainbow Obsidian

Obsidian : How to Identify Obsidian?

Rough Koroit opal " Opalized wood " from Victoria, Australia.

Opalized “Petrified” Wood

Natural crystal Labradorite Purple Moonstone

What are the Different Types and Colors of Moonstone? [With Pictures]

Rainbow Moonstone. Credit: gemsnjewelry 2014

Moonstone vs Opal : What’s the difference between Moonstone and Opal?

Fire Opal

Fire Opal : What Is Fire Opal? How Is Fire Opal...

Ore Minerals

Ore Minerals : What are Ore Minerals?

Garnet. Credit: Cherokee Ruby Mine

Top Spots For Gem Hunting In California

Rare Earth Elements

How rare earth element (REE)-rich deposits formed in central Sweden

Giant gold nugget found in California

Prospecting for gold just got a lot easier

Geyser Opal "Spencer Opal"

Geyser Opal “Spencer Opal”: What is Geyser Opal? How it Formed?

Benitoite crystals under UV light

Benitoite : The Rarest Gemstone Found in the World only been...

A tiny sample of goldschmidtite found inside a diamond by U of A PhD student Nicole Meyer. The newly discovered mineral has high concentrations of elements seldom found in Earth’s mantle, suggesting it formed under extreme conditions. Credit: Nicole Meyer

Student discovers unusual new mineral inside a diamond

Emerald

Where to find Emerald Crystals in the United States?

The Wedderburn meteorite. (Museums Victoria/CC BY 4.0)

Scientists Confirm The Discovery of a Mineral Never Before Seen in...

Obsidian Rock

Obsidian : What is obsidian? Why obsidian is black?

Diamonds from the Juina area: most of these are superdeep diamonds. Credit: Graham Pearson

Superdeep diamonds confirm ancient reservoir deep under Earth’s surface

Magnified sand grains Sand that is magnified up to 300 times

Magnified Sand : Magnified Photos Shows How Sand Looks like

The Dom Pedro aquamarine obelisk by gem sculptor Bernd Munsteiner

Aquamarine : The World’s Largest Aquamarine Gem – Dom Pedro Aquamarine

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