Rocks & Minerals Test Review

What are all of these terms - Naturally occurring, inorganic, solid, crystal structure, definite chemical composition?

• Rock Classifications

• Properties of Minerals

• Mineral Classifications

• Characteristics of Minerals

What are all of these terms - Color, Luster, Streak, Hardness, Density, Cleavage/Fracture & Special Properties?

• Rock Classifications

• Properties of Minerals

• Mineral Classifications

• Characteristics of Minerals

Which of the following is used to describe how a mineral reflects light?

• Luster

• Streak

• Density

• Fluorescence

A mineral can only scratch another mineral that is ____ than itself.

• Softer

• Harder

• More colorful

• A different shape

Calcite has a hardness of 3. Fluorite has a hardness of 4. Can Fluorite scratch Calcite?

• YES

• NO

Feldspar has a hardness of 6. Diamond has a hardness of 10. If you scratch them together, which mineral will have scratch marks?

• Feldspar

• Diamond

• Both!

• Neither

Which of the following properties is BEST at identifying an unknown mineral?

• Color

• Luster

• Shape

• Density

When you test the hardness of a mineral, which of the following is the correct order of objects you use?

• Fingernail, penny, steel nail, streak plate

• Streak plate, steel nail, penny, and fingernail

• Fingernail, steel nail, streak plate, and penny

• Steel nail, penny, fingernail, and streak plate

When testing the hardness of a mineral, what is the hardness of the fingernail?

• 2.5

• 3.5

• 5.5

• 6.5

When testing the hardness of a mineral, what is the hardness of the penny?

• 2.5

• 3.5

• 5.5

• 6.5