GemU - Lesson Eight

Tourmaline Gems

Let's see how much you have learned from watching and reading up on Tourmaline Gems!

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* 1. First Name

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* 2. Last Name

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* 3. eMail

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* 4. Phone

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* 5. How many clarity types are there for colored gemstones?

One

Two

Three

Four

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* 6. Pariaba is not just an origin of Brazilian tourmalines it’s a term used to describe what variety of tourmaline?

Mint-green stones

Dark purple stones

Vivid red stones

Intense greenish blue/blue

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* 7. Rubellite tourmaline stem from the ___________ appearance.

Ruby-like

Paraiba-like

Intense red

Black

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* 8. Watermelon tourmalines are typically cut into ____________.

Emerald cuts

Oval cut

Slices

Cabochon

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* 9. Tourmaline is a durable stone with a hardness of________.

5-6

6-7

7-7.5

8.5-9