Mineral Properties and Characteristics

The video tutorial explains a mineral that can appear in different colors, such as green and purple. It has a hardness of four, meaning it cannot be scratched by a fingernail but can be scratched by metal. Additionally, the mineral has an octahedral crystalline form.

What are the possible colors of the mineral mentioned?

• Red and Blue

• Green and Purple

• Yellow and Orange

• Black and White

What is the hardness level of the mineral?

• Two

• Four

• Eight

• Six

Which of the following can scratch the mineral?

• Metal

• Wood

• Plastic

• Fingernail

What is the crystalline form of the mineral?

• Hexagonal

• Octahedral

• Tetragonal

• Cubic

Which of the following is NOT a characteristic of the mineral?

• It has a hardness of four.

• It is always red in color.

• It can be scratched by metal.

• It has an octahedral crystalline form.