McGill Colloidal Au research team study a mineralized (gold-bearing) vein underground at the Brucejack mine. Credit: Duncan McLeish

Clues from soured milk reveal how gold veins form

The research potentially has wide implications for the materials sector and industry. Credit: Monash University

Rare earth unlocks copper, gold and silver secrets

Scientists and philosopher team up, propose a new way to categorize...

Igneous zircon crystal: shows zircon had two main growth periods approx. 20 million years apart in different magmas.

Geoscientists use zircon to trace origin of Earth’s continents

Fragments of the Oued Awlitis 001 meteorites acquired by the Ludovic-Ferrière. Credit: University of Manchester

Donwilhelmsite : New mineral from the moon could explain what happens...

Chrysoberyl

Chrysoberyl : One of the world’s most expensive Gemstone

The fluid inclusions inside the olivine contain nanodiamonds, apart from serpentine, magnetite, metallic silicon and pure methane. Credit: University of Barcelona

Natural nanodiamonds in oceanic rocks

Photo of a glendonite. Credit: Bo Schultz

Volcanic eruptions may explain Denmark’s giant mystery crystals

Brazilian emeralds in a quartz-pegmatite matrix. (Photo courtesy of Madereugeneandrew/Wikimedia Commons)

Earth grows fine gems in minutes

A sample of pebbly rock that U of A researchers took from an outcrop in Nunavut. The rock was found to contain both gold and diamonds—a rare combination similar to that found in the world's richest gold deposit in South Africa. (Photo: Supplied)

Diamonds found with gold in Canada’s Far North offer clues to...

Pioneering new research has helped geologists solve a long-standing puzzle that could help pinpoint new, untapped concentrations of some the most valuable rare earth deposits. Credit: Michael Anenburg, ANU.

Geologists solve puzzle that could predict valuable rare earth element deposits

Larger: A back-scattered electron image of a microscopic crystal of priscillagrewite-(Y) enclosed in fluorapatite. Inset: An optical image of the same crystal. Credit: American Mineralogist / Irina Galuskina et al.

Priscillagrewite : New mineral named in honor of renowned Nebraska geologist

A rough diamond from Kankan, Guinea, that was analyzed in a new study led by a PhD student at the U of A. The imperfections inside the diamond are small inclusions of a mineral called ferropericlase, which is from the lower mantle. Credit: Anetta Banas

Uncovering new understanding of Earth’s carbon cycle

Location and geological map of Yukinoura district, Saikai City, Nagasaki Prefecture, Japan. Credit: Professor Tadao Nishiyama

Japan’s geologic history in question after discovery of metamorphic rock microdiamonds

Quartz is one of the most common crystals on Earth

Meteorite strikes may create unexpected form of silica

Top 15 Most Expensive Gemstones In The World

Top 15 Most Expensive Gemstones In The World

A Trapiche emerald from Muzo Mine, Colombia. Credit: Luciana Barbosa/Wikipedia

Trapiche Emerald : What is a Trapiche Emerald? How Does a...

The Pink Star diamond, which fetched the highest price ever for a jewel offered at auction, is displayed at Sotheby's in Hong Kong on March 29. Credit: Vincent Yu/AP

Pink Star Diamond : The largest known Pink Diamond

Amethyst-Geode in the parent rock

How do the Geodes get Colorful?

zultanite gemstones, rough and crystal form lighting

Zultanite : What is Zultanite Mineral? Where to find Zultanite?

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