Mineral Properties and Identification

What is the primary origin of rocks?

• Plants

• Minerals

• Water

• Air

Which of the following is NOT a characteristic of minerals according to the NICOS mnemonic?

• Inorganic

• Crystalline

• Naturally occurring

• Organic

How do minerals differ from rocks?

• Minerals are organic, rocks are not

• Rocks have a definite composition, minerals do not

• Rocks are crystalline, minerals are not

• Minerals have a definite composition, rocks can be a mixture

Why is color alone not a reliable property for identifying minerals?

• Color is not visible in all minerals

• Color changes with temperature

• Different minerals can have the same color

• All minerals are colorless

What does the streak of a mineral refer to?

• The weight of the mineral

• The hardness of the mineral

• The shine of the mineral

• The color of the mineral in powdered form

What does the Mohs scale measure?

• Luster

• Specific gravity

• Hardness

• Color

What is cleavage in minerals?

• The color of a mineral

• The weight of a mineral

• The shine of a mineral

• The way a mineral breaks along flat surfaces

How is luster defined in the context of minerals?

• The hardness of a mineral

• The color of a mineral

• The way a mineral reflects light

• The weight of a mineral

Which of the following is a chemical property used to categorize minerals?

• Hardness

• Silicate content

• Streak

• Color

Which mineral is commonly used in watches and clocks?

• Amethyst

• Feldspar

• Quartz

• Graphite