Minerals

Front

What is the Scratch Test used for?

Back

The Scratch Test is used to determine the hardness of a mineral by scratching it with a material of known hardness.

Front

What is the softest mineral on Moh's Hardness Scale?

Back

Talc is the softest mineral on Moh's Hardness Scale and is the main ingredient in baby powder.

Front

What does the term 'luster' refer to in minerals?

Back

Luster refers to how a mineral reflects light from its surface.

Front

What is 'cleavage' in mineralogy?

Back

Cleavage is the property of a mineral that allows it to split easily along flat surfaces.

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What is the 'streak' of a mineral?

Back

The streak of a mineral is the color of the mineral in powdered form.

Front

What is Moh's Hardness Scale?

Back

Moh's Hardness Scale is a scale that ranks minerals based on their hardness, from 1 (talc) to 10 (diamond).

Front

How can you identify a mineral's luster?

Back

You can identify a mineral's luster by observing how shiny or dull its surface appears when light hits it.

Front

What is the difference between 'fracture' and 'cleavage'?

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Fracture refers to how a mineral breaks irregularly, while cleavage refers to breaking along flat surfaces.

Front

What is the significance of a mineral's specific gravity?

Back

Specific gravity is a measure of the density of a mineral compared to the density of water, indicating how heavy it feels.

Front

What is a common use of talc?

Back

Talc is commonly used in baby powder and as a lubricant.