Earth Space - Unit 9 (Minerals) Review

Which of the following describes the chemical composition of a mineral?

• Variable

• Definite

• Random

• Unstable

What is the nature of a mineral's occurrence?

• Artificial

• Naturally occurring

• Man-made

• Synthetic

A mineral must have a definite...

• Shape

• Color

• Chemical composition

• Size

Which property of minerals is considered the least reliable?

• Hardness

• Luster

• Color

• Streak

Luster can be categorized into which two main types?

• Hard and Soft

• Metallic and Non-metallic

• Bright and Dull

• Heavy and Light

Which of the following is a property measured by the Mohs scale?

• Hardness

• Color

• Luster

• Density

What is the significance of the number 1 on the Mohs scale?

• It represents the hardest mineral

• It represents the softest mineral

• It represents the densest mineral

• It represents the most colorful mineral

What is the hardest mineral on the Mohs scale?

• Quartz

• Talc

• Diamond

• Gypsum

Which of the following are unique properties that only certain minerals possess? (select all that apply)

• Fluorescence

• Chemical Reaction

• Double Refraction

• Magnetism

What is the visual effect of double refraction?

• Single image

• Double image

• No image

• Blurred image