CH 2 Minerals

Which is a characteristic of a mineral?

• It can be a liquid.

• It is organic.

• It has no crystal structure.

• It is inorganic.

Tags

NGSS.MS-PS1-1

What must all silicates contain?

• magnesium

• silicon and oxygen

• silicon and aluminum

• oxygen and carbon

Tags

NGSS.MS-PS1-1

What is the measure of how easily a mineral can be scratched?

• luster

• hardness

• cleavage

• fracture

Examine the photo of quartz above. In what way does quartz break?

• cleavage

• fracture

• luster

• flat planes

Which of the following must crystalline solids have?

• carbonates

• cubic structures

• orderly arrangement of atoms

• cleavage

What is the color of a powdered mineral formed when rubbing it against an unglazed porcelain tile?

• luster

• density

• hardness

• streak

Which is hardest on Mohs scale?

• talc

• quartz

• diamond

• feldspar

To which crystal system does the crystal shown belong?

• hexagonal

• cubic

• triclinic

• monoclinic

Which of the following is a common rock-forming mineral?

• azurite

• gold

• quartz

• diamond

Which term refers to the resistance of a mineral to scratching?

• hardness

• specific gravity

• luster

• fracture