Properties and Characteristics of Minerals

The video discusses a metallic mineral that is relatively soft. It can undergo tarnishing and oxidation, which alters its metallic color.

What is the primary characteristic of the mineral discussed?

• It is non-metallic

• It is radioactive

• It is metallic

• It is transparent

How would you describe the hardness of the mineral?

• Fairly soft

• Extremely soft

• Moderately hard

• Very hard

What happens to the mineral when it is exposed to air?

• It becomes transparent

• It becomes harder

• It changes color due to oxidation

• It melts

What is the effect of tarnishing on the mineral?

• It makes the mineral brittle

• It makes the mineral magnetic

• It changes the mineral's metallic color

• It makes the mineral glow

Which of the following is NOT a property of the mineral discussed?

• Fairly soft

• Changes color due to oxidation

• Transparent

• Metallic nature