Tufa

Marston Marble

Lava Stone

Tiger Iron

Rocks

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We all know that the rock is right. Locals everywhere! They and the mountains and canyons you can not help. We sipped, we sat on them, and we poured them out of our deals. However, to correct a definite definition … this is not something we all will be doing.

Phosphorite

Phosphorite is a sedimentary rock that contains a high concentration of phosphate minerals. It is the primary source of phosphorus, an essential element for...

Indigo Gabbro (Mystic Merlinite)

Indigo Gabbro, also known as Mystic Merlinite, is a crystal that belongs to the igneous rock family. It is a unique and visually striking...

Granulite

Granulites are a type of high-grade metamorphic rock that forms under conditions of high temperature and pressure. They are characterized by the presence of...

Coquina

Coquina is a sedimentary rock that is primarily composed of fragmented shell and coral debris. The name "coquina" is derived from the Spanish word...

Diatomite

Diatomite, also known as diatomaceous earth, is a naturally occurring, soft, siliceous sedimentary rock that is easily crumbled into a fine white to off-white...

Radiolarite

Radiolarite is a type of sedimentary rock that primarily consists of the microscopic remains of radiolarians, which are single-celled marine microorganisms belonging to the...

Arkose

Arkose is a type of sedimentary rock characterized by its high mineral content of feldspar, particularly orthoclase. It is often considered a type of...

Claystone

Claystone is a sedimentary rock composed primarily of clay-sized particles, which are minerals that are less than 0.004 millimeters in diameter. It belongs to...

Evaporites

Evaporites are a type of sedimentary rock that forms through the evaporation of water, leaving behind dissolved minerals and salts. These rocks typically consist...

Travertine

Travertine is a type of sedimentary rock that is formed by the precipitation of carbonate minerals from groundwater. It is often found in and...

Phonolite

Phonolite is a type of volcanic rock that belongs to the family of igneous rocks. It is characterized by its unique mineral composition and...

Lapilli

Lapilli, which means "little stones" in Italian, refers to small rock fragments ejected during volcanic eruptions. These fragments typically range in size from 2...

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Firework Agate

A Frozen Firework Show Hidden Inside StoneThere are some stones in nature that make you say “This can’t be real” at first glance. Most...

Hvitserkur, Iceland

Iceland’s Dragon Rock and the Silent Sculptors of the North AtlanticThere is a truth that visitors eventually accept about Iceland: this country feels “Earth-like...

Valley of Fire, Nevada

The Red Sandstone Labyrinth of the Mojave DesertThere is a place in the middle of the Mojave Desert; while driving, the color of the...

Salar de Uyuni, Bolivia

The Geological Story of the World’s Largest Salt MirrorWhen you look at Salar de Uyuni from a distance, on a clear day, the line...

Top 10 Strangest Minerals Ever Discovered

The Wildest, Weirdest, “How Is This Even Real?” Minerals on EarthLet’s be honest: geology at school feels clean and organized. Crystals have systems, hardness...

Top 10 Crystals with Extreme Optical Effects

There are millions of minerals on Earth, but only a tiny group really steps onto the stage and tears the light apart with some...

Faults and Folds

How Stress Shapes the Earth’s CrustAt a quick glance, the surface of our planet looks stable. Mountains appear fixed in place, valleys seem permanent,...

Rare Earth Minerals: The Geology Behind Them

Geology, Uses & the Global Supply Crisis Shaping Our Technological FutureRare earth minerals are one of the strangest contradictions in modern geology: visually unimpressive,...