Star Sapphire

Some sapphires are valued primarily for their color.Others contain an optical phenomenon that transforms the entire appearance of the gemstone.Under a concentrated light source,...

Cat’s Eye Chrysoberyl

Cat’s eye chrysoberyl is one of the most distinctive phenomenal gemstones in the mineral world.At first glance, the stone may appear yellow, greenish yellow,...

Pyrite vs Gold: How to Tell the Difference

Gold and pyrite are often confused because both can display a bright metallic yellow appearance.That resemblance gave pyrite its famous nickname:“Fool’s gold.”But despite looking...

GEOLOGICAL WONDERS

Columnar Basalt Formations: How Hexagonal Columns Form and the Best Places...

Columnar basalt formations are one of those natural things that make even a geologist like me stop for a moment and think, “did nature...

The White Sands National Monument, New Mexico, USA

Nestled in the Tularosa Basin of southern New Mexico, White Sands National Monument is a breathtaking landscape of rolling white gypsum dunes that seem...

Waitomo Glowworm Caves, New Zealand: Geology, Formation and Glowworms

Beneath the green hills of New Zealand’s North Island, there is an extraordinary place where the ceiling of a cave looks like a night...

gemstoneS

ROCKS

Minerals

ListS

10 Places That Look Like Other Planets

Earth is generally referred to as the Blue Planet, but within its familiar landscapes there are places so alien that they can easily be...

10 Places Where Fossils Tell Ancient Stories

Fossils are more than ancient remains—they are windows into vanished worlds. Each fossil preserves a moment in time, capturing organisms that lived millions of...

10 Rock Landscapes That Look Like Art

Nature has been shaping the Earth's surface for billions of years. However, this shaping is not random, chaotic or unplanned. On the contrary; factors...

ORE MINERALS

Braches of Geology

Mount Etna, Italy

Mount Etna is one of the most iconic and active volcanoes in the world. It is located on the east coast of the island...

Geophysics

The rocks does not differ only by their macroscopic or microscopic properties studied field geologists or petrologists. They also differ by their chemical and...

Rock Identification Guide: How to Identify Rocks Like a Geologist

You are walking along a beach, through the mountains, in your backyard, or beside a road when you notice an unusual rock. Maybe it...

Geology Fundamentals

Demantoid Garnet

Demantoid garnet is a rare and highly sought-after variety of the mineral andradite, which belongs to the garnet group. Known for its exceptional brilliance...