Trapiche Sapphire

When people see a six-rayed pattern inside a sapphire, the first thing that usually comes to mind is a star sapphire. But the pattern...

Trapiche Emerald

Emerald is already one of the most recognizable gemstones in the world, but some emeralds look unlike anything most people expect to see. Inside...

Maxixe Beryl

At first glance, Maxixe beryl can easily be mistaken for an unusually dark aquamarine. Both belong to the beryl family, both share the same...

Star Ruby

Star Sapphire

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 Merapi

Merapi, also known as Mount Merapi, is an active stratovolcano located on the island of Java in Indonesia. It is one of the most...

Volcanogenic Massive Sulfide (VMS) Deposits

Volcanogenic massive sulfide (VMS) deposits are a type of mineral deposit that forms on or below the seafloor as a result of volcanic and...

Ammonites

Ammonites are among the most beautiful and scientifically valuable fossils on Earth.Their spiral shells, perfectly preserved in stone, decorate museum halls, cliffs, and fossil...

Magnetic Surveys

Geological Maps

Geology Fundamentals