Mineral Properties Check for Understanding

A scientist feels a mineral and observes its waxy texture.

• Cleavage

• Color

• Hardness

• Luster

• Streak

A scientist notes that a mineral is metallic

• Cleavage

• Color

• Hardness

• Luster

• Streak

A scientist notices that a mineral has a pearly surface

• Cleavage

• Color

• Hardness

• Luster

• Streak

A scientist notices that a mineral has edges that are very flat

• Cleavage

• Color

• Hardness

• Luster

• Streak

A scientist notices that one black mineral leaves behind a red powder while a black mineral leaves a black powder

• Cleavage

• Color

• Hardness

• Luster

• Streak

A scientist observes a mineral surface that appears earthy

• Cleavage

• Color

• Hardness

• Luster

• Streak

A scientist observes a mineral surface that is non-metallic

• Cleavage

• Color

• Hardness

• Luster

• Streak

A scientist observes that a mineral has jagged edges when it breaks

• Cleavage

• Color

• Hardness

• Luster

• Streak

A scientist observes that mica breaks into smooth layers

• Cleavage

• Color

• Hardness

• Luster

• Streak

A scientist observes that obsidian appears glassy

• Cleavage

• Color

• Hardness

• Luster

• Streak