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Representative image: Hand holding a rock

The Differences Between Sedimentary, Igneous, and Metamorphic Rocks: A Comprehensive Guide

October 11, 2024

Yowah Nut Opal

July 9, 2024

Exploring the Beauty and Mystery of Flower Agate

April 21, 2024

Top 10 Rare Earth Minerals in 2023

December 31, 2023

Captivating Beauty: Exploring 6 Types of Iridescent Gemstones

November 22, 2023

Unveiling Earth’s Hidden Treasures: 20 Stunning Rare Gemstones

September 1, 2023

The World’s Rarest and Most Expensive Types of Obsidian

August 30, 2023

+30 Rare Gems and Minerals in New Mexico

August 18, 2023

Periechocrinus, a Silurian crinoid. BGS © UKRI.

The largest fossil crinoids ever

May 3, 2023

Argentinosaurus is still widely considered the heaviest dinosaur. Based on its mid-range estimate, it weighed the same as about nine T. rexes or 13 African elephants!

What was the largest dinosaurs?

May 1, 2023

Natural 236.40 Ct Huge Red Painite Rough Burmese Facet Raw Loose Gemstone Credit: supremgem/etsy

Painite: The Most Unique Gemstone in the World

April 23, 2023

Chrysoberyl : One of the world’s most expensive Gemstone

October 17, 2020

$-A grain-size comparator chart (to scale). The chart shows the different size fractions from silt (63 µm) through to large cobbles (128256 mm). Such charts are useful for field comparisons.$

Grain Size : What is Grain Size? How is Grain Size...

August 21, 2020

Top 15 Most Expensive Gemstones In The World

August 6, 2020

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

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

July 16, 2020

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

July 16, 2020

How do the Geodes get Colorful?

June 30, 2020

zultanite gemstones, rough and crystal form lighting

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

June 27, 2020

Purple Amethyst : What causes the purple color of amethyst?

June 18, 2020

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

June 17, 2020

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Evidence of ancient life discovered in mantle rocks deep below the seafloor

September 1, 2015

“1964 Quake” The Great Alaska Earthquake

May 16, 2017

First study of the only original fossils conserved of Peking Man

February 2, 2018

430 million-year-old fossil named after Sir David Attenborough

March 22, 2017

Raising Groundwater Keeps Valleys from Sinking: Santa Clara Valley, California, USA

May 16, 2015

A new look at an old jaw clarifies mammal evolution

November 20, 2015

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