ROCKS AND MINERALS

______________refers to the color of the mineral in its powdered form which may or may not be similar to the color of the mineral.

• COLOR

• STREAK

• HARDNESS

• LUSTER

This is the most obvious property of minerals.

• Color

• Luster

• Streak

• Hardness

It is the appearance a mineral makes when light is reflected on its surface.

• Color

• Luster

• Streak

• Hardness

_________ is the property of mineral to resist scratching or being cut.

• Luster

• Color

• Streak

• Hardness

This refers to the property of minerals to break in areas with weak bonding.

• Cleavage

• Luster

• Fracture

• Hardness

This is a property of minerals which refers to the orderly arrangement of atoms that give them a solid structure.

• Crystal Form

• Magnetism

• Reaction with Acid

• Taste

It is the strong magnetic attraction of some minerals to some hand magnet (e.g. magnetite)

• Crystal Form

• Magnetism

• Reaction to Acid

• Taste

The following are correct , EXCEPT.

• Sulfuric acid taste sour

• Epsom taste sweet

• NaCl taste salty

What is the building block of rock?

• Elements

• Sediments

• Minerals

• Magma

These are also known as “volcanic rocks” as these rocks are formed by the solidification or hardening of molten rocks (rocks that are melted due to volcanic heat).

• Metamorphic rocks

• Igneous rocks

• Sidementary rocks