An example of a Pallasite meteorite (from the Esquel fall) on display in the Vale Inco Limited Gallery of Minerals at the Royal Ontario Museum. Credit: Captmondo

What’s Inside Meteorites?

Rose Quartz: The Pink Gemstone

Rose Quartz: The Pink Gemstone

Rhodium: The Most Expensive Metal

Rhodium: The Most Expensive Metal

Fukang Meteorite

Fukang Meteorite: The Most Expensive Meteorite

Ol Doinyo Lengai volcano spews extremely runny lava that turns bone white when it dries. (Image credit: Jean-Denis JOUBERT via Getty Images)

Mountain of God: The Weirdest Volcano in the World

Representative image: Hand holding a rock

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

Yowah Nut Opal

Yowah Nut Opal

Flower Agate

Exploring the Beauty and Mystery of Flower Agate

Representative image

Top 10 Rare Earth Minerals in 2023

Labradorite

Captivating Beauty: Exploring 6 Types of Iridescent Gemstones

20 Stunning Rare Gemstones

Unveiling Earth’s Hidden Treasures: 20 Stunning Rare Gemstones

Spectacular rainbow obsidian blade

The World’s Rarest and Most Expensive Types of Obsidian

Rare Gems and Minerals in New Mexico

+30 Rare Gems and Minerals in New Mexico

Periechocrinus, a Silurian crinoid. BGS © UKRI.

The largest fossil crinoids ever

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?

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

Painite: The Most Unique Gemstone in the World

Chrysoberyl

Chrysoberyl : One of the world’s most expensive Gemstone

-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...

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...

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