Rocks and Minerals practice

Gold is a shiny mineral that reflects light. What property of gold does the word shiny describe?

• Hardness

• Luster

• Streak

What is the color of a mineral's POWDER called?

• Streak

• Luster

• Hardness

What scale is used to measure the hardness of a mineral?

• Miller's Hardness Test

• Harry's Hardness Scale

• Mohs Hardness Scale

What process describes the gluing of sediments to make sedimentary rock?

• Weathering

• Cementation

• Erosion

What is the softest mineral?

• Talc

• Calcite

• Diamond

What is the hardest mineral?

• Talc

• Calcite

• Diamond

Calcite is a 3 on the hardness scale and Quarts is an 8. Which is harder, Calcite or Quartz?

• Calcite

• Quartz

This is a beautiful piece of clear quartz. When you hit quartz with a small hammer it breaks in a rough, jagged way. What type of breakage does quartz have?

• Cleavage

• Fracture

Sulfur has a dull yellow mineral. What property does the word dull describe?

• Streak

• Luster

• Hardness

After sediments deposit in a new area, they begin to pile up and be pressed together. What process does the word press describe?

• Compaction

• Deposition

• Weathering