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The Velodrome ,Hautes Alpes, France
The Velodrome ,Hautes Alpes, France

The Velodrome is a large recumbent fold spilled southward, formed at the end of the Tertiary (23 to 5 million years) at the Alpine front...

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The Hot spring
The Hot spring

A hot spring is a spring that is produced by the emergence of geothermally heated groundwater from the Earth's crust. There are geothe...

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Pelagic sediment
Pelagic sediment

Pelagic sediment or pelagite is a fine-grained sediment that accumulates as the result of the settling of particles to the floor of the o...

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Splendid Spessartine crystals
Splendid Spessartine crystals

Spessartine. Formula:Mn32+Al2(SiO4)3 System:Isometric Colour:Red, reddish orange, ... Lustre:Vitreous Hardness:6½ - 7½ From: Wushan Sp...

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Banded iron formations BIF
Banded iron formations BIF

Banded iron formations  (also known as banded ironstone formations or BIFs) are distinctive units of sedimentary rock that are almost a...

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 amazing Emerald specimen
amazing Emerald specimen

The same amazing Emerald specimen but this time photographed with a real camera and not a phone camera. Note the difference in color accu...

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The Triple Frontier where the Borders of 3 Countries Meet.
The Triple Frontier where the Borders of 3 Countries Meet.

The Triple Frontier is the tri-border region where the borders of 3 countries meet: Argentina, Paraguay and Brazil. While there are man...

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Plunging syncline
Plunging syncline

Fitzgerald Marine Preserve San Mateo County, CA

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Amazing Fulgurites
Amazing Fulgurites

Fulgurites (from the Latin fulgur meaning thunderbolt) are a variety of the mineraloid lechatelierite. They are natural hollow glass tubes...

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Tectonic Settings of Metal Deposits
Tectonic Settings of Metal Deposits

From Skinner and Porter, 1987 Ore Deposits and Plate Tectonics P late tectonics, like crustal evolution, provides a basis for un...

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Cross Section Interpretation Exercise
Cross Section Interpretation Exercise

Using the laws of original horizontality, superposition, and cross-cutting relationships interpret the order of the formation of featu...

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The Difference between Rocks and Minerals .
The Difference between Rocks and Minerals .

mineral —A naturally occurring, homogeneous inorganic solid substance having a definite chemical composition and characteristic crystalli...

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Fabulous Mexican  Azurite
Fabulous Mexican Azurite

Azurite |‪#‎Geology Formula: Cu3(CO3)2(OH)2 System:Monoclinic Colour:Azure blue, blue, light ... Lustre:Vitreous Hardness:3½ - 4 A secon...

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Lena's Stone Forest in Russia
Lena's Stone Forest in Russia

Lena's Pillars, also called Lena’s Stone Forest, is a natural rock formation about 60 km upriver from Yakutsk, in Russia. The amazi...

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Red tourmaline
Red tourmaline

Red tourmaline specimen found in Yen Bai Province - North Vietnam

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Preachers Rock, Preikestolen, Norway
Preachers Rock, Preikestolen, Norway

Preikestolen is a mountain formed like a huge pulpit towering over  the Lysefjord  in Rogaland, Fjord Norway. There is a crack between t...

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Elephant Rock
Elephant Rock

This rock is a fine example of an arch in the shape of an elephant. The rock is right next to the road, but as parking is limited on Va...

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Amazing folding rocks at Agia Pavlos
Amazing folding rocks at Agia Pavlos

 these sedimentary limestone layers were once layered horizontal at the bottom of the sea. They've been folded and crushed with ...

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West Salt Creek Landslide
West Salt Creek Landslide

Image of the recent West Salt Creek Landslide that occurred on May 25th at 5:44 PM local time near Collbran, Colorado. Aerial view i...

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Opal
Opal

Opal Tectosilicates SiO2 Queensland, Australia Size: 10 cm

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Hematite Aggregate
Hematite Aggregate

Hematite Aggregate Fe2O3 Botryoidal Habit A globular aggregate resembling a bunch of grapes with each round mass consisting of radiatin...

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Amazing Green Obsidian
Amazing Green Obsidian

Green Obsidian – Volcanic glass Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. Pure obsidia...

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Spectacular Neon Blue Lava Pours From Indonesia's Kawah Ijen Volcano At Night (PHOTOS)
Spectacular Neon Blue Lava Pours From Indonesia's Kawah Ijen Volcano At Night (PHOTOS)

You've heard of "red hot" and "white hot" to describe searing temperatures. But what about "blue hot&quo...

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Smoky Quartz
Smoky Quartz

Smoky Quartz Tectosilicates SiO2 North Carolina, USA & Ontario, Canada Size: 20 cm

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Watch the  Most incredible volcano footage ever.
Watch the Most incredible volcano footage ever.

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Slab of Tiger Iron
Slab of Tiger Iron

Tiger Iron, a combination of Golden Brown Tiger Eye, Hematite, and Red Jasper, exhibits the metaphysical properties of its components a...

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Superbe Opal Cabochon
Superbe Opal Cabochon

Opal and Opal Cabochon Formula: SiO2 · nH2O Colour:Colorless, white, various Hardness:5½ - 6½ From: Queensland, Australia Size: 7cm ...

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The Pink Lake,  West Australia.
The Pink Lake, West Australia.

Lake Hillier is a pink-colored lake on Middle Island, the largest of the islands and islets that make up the Recherche Archipelago, Wes...

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Wonderful Chrysoprase from Australia
Wonderful Chrysoprase from Australia

Chrysoprase - Green variety of chalcedony colored by nickel oxide Formula: SiO2 Colour: colorless, white, gray, ... Hardness: 6½ -...

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Milky Quartz
Milky Quartz

Milky Quartz – cloudy, white variety of Quartz Colored by minute inclusions of gas and/or liquid trapped during crystallization. Size: 18...

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