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?
ROCKS AND MINERALS

Quiz
•
Biology
•
1st Grade
•
Medium
Pedro Álvarez
Used 11+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
It was found by Walter Cullinan
It was the owner of the mine were it was found
Cullinan sold the diamond to the queen
2.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
What is the color of the most expensive mineral
(price of $3 million per carat (kilate))
Red
Yellow
Green
3.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Which rock can float on water?
Chalk
Pumice
Lignite
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Its name derives from a greek word that means "not drunken" because it was thought to avoid drunkenness.
Olivine
Amethyst
Garnet
5.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Mount Rushmore is carved in which type of tough rock?
Granite
Marble
Limestone
6.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
In the Aztec culture, a tecpatl was a knife used in human sacrifices. What rock is the blade made of?
Obsidian
Gabbro
Black sapphire
7.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
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
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