New technique to find copper deposits

Pure iron grains are rare in the universe

Himalaya

Minerals in mountain rivers tell the story of landslide activity upstream

A sapphire from sediment in the Kyll, a river in the western Eifel. The crystal measures approximately 0.9 mm in diameter. | © Sebastian Schmidt

A blue miracle: How sapphires formed in volcanoes

Diamond crystal

Unique diamond impurities indicate water deep in Earth’s mantle

‘Nesting doll’ minerals offer clues to Earth’s mantle dynamics

Rare Earth Elements

Potential new source of rare earth elements

Ancient Minerals: Which Gave Rise to Life?

Measuring the strength of olivine, the most abundant mineral in the...

“Argyle Pink Jubilee” Largest Pink Diamond in Australia

Diamonds could one day replace GPS

Pinfire Pattern Cantera Opal.

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

Gold nugget found in the field. Credit: University of Adelaide

Unlocking the journey of gold through magmatic fluids

Mexican Fire Agate

Fire Agate : What is fire agate? How fire agate is...

Minerals on hand

Rare Gems & Minerals in Texas

Photo of a glendonite. Credit: Bo Schultz

Volcanic eruptions may explain Denmark’s giant mystery crystals

The island of Daphne to the north of Santa Cruz

Mineral discoveries in the Galapagos Islands pose a puzzle as to...

Types of Mineral Inclusions

What makes pink diamonds pink?

The Mawenzi : The Largest Tanzanite rough in the World

The Mawenzi : The Largest Tanzanite rough in the World

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