Ton Visser

Ton Visser

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El Suchomimus: la bestia con más de 100 dientes curvos

El Suchomimus: la bestia con más de 100 dientes curvos

National Geographic News:  Dromaeosaur

Top 10 Asian Dinosaurs - Remember to have booth for 5 different dinos. Oviraptor over some date ball "eggs"

Hatzegopteryx thambema overlooks an unruly group of Balaur bondoc fighting amongst themselves for the carcass of a Struthiosaurus by Sergey Krasovskiy

Hatzegopteryx thambema overlooks an unruly group of Balaur bondoc fighting amongst themselves for the carcass of a Struthiosaurus by Sergey Krasovskiy

Living in Late Cretaceous period in Montana, North America, CORYTHOSAURUS, or helmet head, was a large hadrosaur, a duck-billed dinosaur.  It had a toothless beak with rows of sharp teeth  in the back of its mouth.The name Corythosaurus comes from its crest, which looks like a helmet worn by ancient soldiers. This crest was probably used to make a loud horn noise. Air from the animal's nostrils was forced through the crest making it vibrant loudly. It measured 33 ft.  8000 lbs.

Living in Late Cretaceous period in Montana, North America, CORYTHOSAURUS, or helmet head, was a large hadrosaur, a duck-billed dinosaur. It had a toothless beak with rows of sharp teeth in the back of its mouth.The name Corythosaurus comes from its crest, which looks like a helmet worn by ancient soldiers. This crest was probably used to make a loud horn noise. Air from the animal's nostrils was forced through the crest making it vibrant loudly. It measured 33 ft. 8000 lbs.

Halite

Halite

This is the crystal cave of giants found in the Naica Mine, Chihuahua, Mexico. These are Selenite crystals (gypsum) and are the largest crystals ever discovered...  They are 1000 feet down in a limestone host rock, where they are mining for lead, zinc and silver.

Cave of the Crystals or Giant Crystal Cave is a cave connected to the Naica Mine 300 metres ft) below the surface, in Naica, Chihuahua, Mexico. The main chamber contains giant selenite crystals (gypsum, some of the largest natural crystals ever found.

Beeldhouwsteen Zimbabwe serpentijn springstone

What is Mohs Hardness Scale? The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals th.