ROCKS AND MINERALS

The “Star of Africa” also called “The Cullinan Diamond” is the biggest diamond in the world (621.35 grams). Today its owner is Elizabeth II, the queen of United Kingdom. Why is called Cullinan Diamond?

• It was found by Walter Cullinan

• It was the owner of the mine were it was found

• Cullinan sold the diamond to the queen

What is the color of the most expensive mineral

(price of $3 million per carat (kilate))

• Red

• Yellow

• Green

Which rock can float on water?

• Chalk

• Pumice

• Lignite

Its name derives from a greek word that means "not drunken" because it was thought to avoid drunkenness.

• Olivine

• Amethyst

• Garnet

Mount Rushmore is carved in which type of tough rock?

• Granite

• Marble

• Limestone

In the Aztec culture, a tecpatl was a knife used in human sacrifices. What rock is the blade made of?

• Obsidian

• Gabbro

• Black sapphire

The viking "sunstone" was used for navigation in cloudy days when compass was not yet discovered.What was this mineral?

• Espato de Islandia

• Moscovita

• Selenita

Hidrargiria is a type of metal poisoning due to exposure to a metal. It caused the death of Napoleon, Ivan “El Terrible”and Newton. What metal is?

• Mercury

• Galena

• Pyrite

This Geode is one of the biggest geode of the world. It is located in Almeria, What is its name?

• La Geoda Jodía

• La Geoda de Pulpí

• La Geoda de Nápoles

There is a mineral that is known as “Fool’s Gold”, which one is it?

• Goldite

• Pyrite

• Fluorite