Properties of Minerals

What is the primary purpose of the "Properties of Common Minerals Earth Science Reference Table"?

• To list all known minerals on Earth.

• To understand how to read the properties of common minerals.

• To provide a history of mineral discovery.

• To explain the formation of different mineral types.

Which mineral property describes the way light reflects off a mineral's surface?

• Hardness

• Cleavage

• Luster

• Fracture

What is the term for minerals that break in a predictable way, often with flat surfaces?

• Fracture

• Hardness

• Cleavage

• Streak

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In the mineral identification example, which combination of characteristics helped confirm the sample was Galena?

• Greasy feel and black streak

• High density and metallic silver color

• Red-brown streak and magnetic properties

• Used in pencil leads and soft texture