Rocks Found In Lakes
Chalk Rocks
Gems
100

What rock is found most along Lake Michigan?

Petoskey Stones

100

What is a Chalk rock?

A Chalk rock is a mineral that you can use just like normal Chalk and draw with it. 

100

What is a diamond?

A diamond is a mineral made of pure Carbon.

200

What are Petoskey Stones?

Fossils

200

What color is Chalk?

Chalk ranges from white to grayish white.

200

Are Diamonds rocks?

Diamonds are not considered rocks.

300

What does an Agate look like?

Agates have layers, and when you look at them unpolished they look cloudy

300

What does Chalk feel like? (Please list three textures) 

Chalk feels soft, powdery, and brittle.

300

What is the most expensive cut?

A round cut.

400

What rock is most commonly found in Lake Leelanau?

Leland Blues

400

How long have Chalk Rocks been around?

Chalk Rocks have been around for 145.5 million to 65.5 million years

400

What is the most expensive and rare Opal?

The Black Opal

500

What are Leland Blues made of?

Glass and metal hardened together. And if you what the history on it, then go look it up yourself.

500

What kind of mineral is Chalk made of?

Chalk is a form of Limestone. 

500

What is the most expensive rock in the world?

Blue Diamonds. They are the most rare and expensive rocks in the world.

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