Purple Amethyst

Purple Amethyst : What causes the purple color of amethyst?

The Roebling Opal

Roebling Opal : Amazing Rare blue and green Opal Found in...

Graphite & Hexagonal Diamond

Study shows diamonds aren’t forever

Blue Diamond

New model shows how diamond-carrying rocks formed in Northern Alberta

Photomicrograph in crossed polars of precious-metal bearing peridotite. Note the optical zoning (light/dark bands) in the plagioclase (grey coloured mineral) in the central part of the image. The occurrence of this zoning was the focus of the study in question. The width of the image frame is 4 mm. Credit: Nat. Geosci. (2020).

Scientists find evidence of how platinum metals form under 60 million-year-old...

The Largest Peridot in the World

What is The Largest Peridot in the World?

Peridot

Peridot : What is Peridot? Where is Peridot found?

Minerals on hand

Rare Gems & Minerals in Texas

Minerals on Hand

Mines in Texas & New Mexico : Mines Where You Can...

The Mawenzi : The Largest Tanzanite rough in the World

The Mawenzi : The Largest Tanzanite rough in the World

Blue Quartz

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Huge Desert Rose Selenite Crystal cluster

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Collection of various fluorescent minerals under ultraviolet UV-A, UV-B and UV-C light. Chemicals in the rocks absorb the ultraviolet light and emit visible light of various colors, a process called fluorescence. Credit: Hannes Grobe/AWI

Fluorescence : Why Minerals Fluoresce?

Bastnaesite (the reddish parts) in Carbonatite. Bastnaesite is an important ore for rare earth elements, one of the mineral commodities identified as most at-risk of supply disruption by the USGS in a new methodology. Credit: Scott Horvath, USGS

Where is the greatest risk to our mineral resource supplies?

Inside the Rainbow Tunnel. Credit: Jeff Glover

World’s Largest Fluorescent Rock Found in New Jersey

Alaska Centennial Nugget : Largest Gold Nugget Ever Found in Alaska

Alaska Centennial Nugget : Largest Gold Nugget Ever Found in Alaska

Welcome Stranger Nugget

Welcome Stranger Nugget : World’s Largest Gold Nugget found in Australia

Charoite

Charoite : What is Charoite Stone? How is Charoite Formed?

Topaz Color

Topaz Color : What Color Is Topaz? What causes color in...

Mexican Fire Agate

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