Minerals Review, Part 2

Which of the following is NOT a test used to identify minerals?

• Luster

• Magnetism

• Cleavage

• Streak

Which ore would a car manufacturer be least interested in?

• Ilmenite

• Hematite

• Bauxite

• Chromite

Minerals always exist in a(n) ____ form.

• Liquid

• Solid

• Gaseous

• Organic

The most abundant elements in Earth's crust are ____.

• Aluminum and potassium

• Oxides and carbonates

• Halite and coal

• Oxygen and silicon

A hard, colorful mineral that has a brilliant or glassy luster is a(n)

• Alloy

• Pure metal

• Ore

• Gemstone

The repeating pattern of a mineral's particles forms a solid called a(n)

• Crystal

• Element

• Compound

• Rock

Using the Mohs hardness scale, which of the following statements about the actual hardness of minerals is false?

• Your fingernail can scratch a sample of gypsum.

• Diamonds are twice as hard as apatite.

• Diamonds are more than seven times as hard as quartz.

• Quartz will scratch anything made of steel.

The mineral class that makes up more than 95% of the continental crust is termed as?

• Silicates

• Halides

• Carbonates

• Oxides

• Silicates

• Oxides

• Carbonates

• Sulfides

• Silicates

• Oxides

• Carbonates

• Sulfides