What mineral makes up less than 10% of the earth's crust?

All of these are silicates except for one. Which is NOT a silicate?

Which word means a substance made of two or more elements that have been chemically joined.

Which is a solid whose atoms, ions or molecules are arranged in a definite pattern?

Which is a change due to type and number of impurities or exposure to the elements?

Which is the way a surface reflects the light?

Which word means to split along smooth flat surfaces?

Which word means to break along either curved or irregular surfaces?

Which word means the ratio of the mass of a substance to the volume of the substance?

Which word is the color of the powder of a mineral when it is rubbed on a streak plate.

What are the four questions that you would ask to determine if a substance is a mineral?

What is the name of the types of minerals that contain silicon, oxygen and one or more metals?

What is the type of mineral that does NOT have silicon or oxygen?