Mineral
Rocks
Sandstone
Gems
Other Rock Facts
100
Talc.
What is the weakest mineral?
100
True.
True or False? There is Lava Rock in Iceland?
100
Most sandstone is composed of quartz or feldspar.
What is Sandstone made of?
100
True.
True or False. People use diamonds for eye surgery?
100
Jade is two separate gems: nephrite and jadeite.
What is Jade?
200
Quartz
What is the 7th strongest rock?
200
Sedimentary, metamorphic, and igneous.
What are the three main types, or classes, of rock?
200
Manufacturing.
How do we use Sandstone?
200
Alexandrite.
What is newest gem?
200
It comes from the Latin rubens which mean red.
Where does the word ruby come from?
300
Over 4,000 types of Minerals exist in the world.
What is the amount of different types of minerals?
300
When magma (molten rock) cools and solidifies.
How do igneous rocks form?
300
Rough and granular.
What is the texture of a sandstone?
300
Benitoite and Gradidierite.
Name two rare gems?
300
July.
What month is ruby the birthstone for?
400
Zircon.
What is the oldest mineral?
400
Felsic Rocks.
What is the oldest rock in the world?
400
It's very durable and hard.
Is the sandstone hard or soft?
400
Fluorite.
What is the weakest gemstone?
400
Thailand.
What is one place where rubies are found?
500
Abellaite.
What is a mineral that predicted and found by amateur mineral collector Joan Abella I Creus?
500
In space.
What is the youngest rock in the world?
500
The hardness of a sandstone is difficult to test.
What is the hardness of a sandstone?
500
Amber.
What is the softest gemstone?
500
Blue.
What color are the sapphire stone most found in?
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