Geology review form B

A mineral's resistance to being scratched is called?

• streak
• luster
• hardness
• igneous rocksheft

By definition, a mineral has which of the following characteristic(s)?

• chemical composition
• crystalline structure
• naturally made
• all of the above

Which mineral property is being shown here?

• luster
• hardness
• cleavage
• streak

Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?

• luster
• color
• streak
• cleavage

Fluorescence is

• an uneven, jagged, or irregular break of a mineral
• a special property of minerals that causes some of them to glow
• color of the powder of a mineral
• a mineral that contains oxygen

Which of the following is NOT true of minerals?

• They are liquids
• They are formed in nature
• They are inorganic
• They have crystalline structure

A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?

• Fracture
• Cleavage
• Glassy
• Waxy

A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?

• Fracture
• Cleavage
• Glassy
• Waxy

A type of rock that forms from the cooling of molten rock at or below the surface of the earth

• Igneous Rock
• Metamorphic Rock
• Sedimentary Rock
• chemical Rock

Igneous rock that forms when magma hardens beneath Earth's surface

• intrusive Rock
• compaction
• Chemical Rock
• Clastic Rock