Valuable Gems
Popular rocks
Crystals
Common Rocks
S.I.M rocks
100

This is a gem that has a green appearance.

What is an Emerald?

100

This rock is found in granite.

What is Amazonite

100

This cristal is made near lava flows.

What is "Topaz?"

100

Is commonly found below riverbeds.

What is Bedrock?

100

Is formed by the rapid cooling of lava with a purple appearance; edges are known to be jagged and really sharp.

What is obsidian?

200

A gem that is commonly made by compression.

What is a diamond?

200

This is what tin cans are made of.

What is Tin?

200

They are clear pillars commonly found in a crystal cave.

What are "Crystal columns?"

200

It is commonly found in the desert.

What is Sandstone?

200

Kids usually write with this white substance on the driveway.

What is chalk?

300

A gem that has a light blue appearance. (not diamond or sapphire)

What is an Opal

300

A rock that was commonly used by the Egyptians and was found by the Nile River.

What is Limestone?

300

A six sided type of Emerald/crystal.

What is a hexagonal emerald?

300

Used by Eyptians in the pyramids.

what is limestone?

300

A type of lime stone found under water.

What is shelly limestone? 

400

A gem that is formed by flat crystals. (is red)

What is a Ruby

400

A rock that is commonly known as "fools gold"

What is Pyrite?

400

The most common crystal system; includes glypsum

What is "Monoclinic?"

400

This rock is found in the sticks you use every day. (reformed diamonds)

What is Graphite Crystal

400

Is a type of Igneous rock and contains many crystals; is formed by rapid cooling of lava.

what is Pitchstone

500

The classification of agate

what is Semiprecious

500

You can easily start a fire with this rock (element)

What is Magnesium

500

A Hedral Rhombus type crystal

What is a rhombohedral crystal?

500

This rock is considered a gem and can be found in a variety of colors.

What is Zircon

500

Is commonly found in the foundation of mountains.

what is slate

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