Minerals Quiz

A mineral’s streak is the color of its __________________.

Quartz, gold, and calcite are examples of __________________, but coal is not.

Geologists use the __________________ test to determine the hardness of a mineral.

The repeating pattern of a mineral’s particles forms a solid called a(n) __________________.

A narrow channel or slab of a mineral that is different from the surrounding rock is called a(n) __________________.

Slow cooling of hot magma leads to the formation of __________________ crystals.

Which is not an essential characteristic of any mineral?

• crystal structure

• solid

• formed by inorganic processes

• naturally occurring

Which is not a method by which minerals form?

• organic processes

• water evaporation from a solution

• cooling of magma or lava

• decrystallization

Which term describes how a mineral looks when it breaks apart in an irregular way?

• fracture

• cleavage

• luster

• crystallization

Which lists the minerals in the correct order from softest to hardest?

• talc, diamond, calcite, feldspar

• diamond, feldspar, calcite, talc

• talc, calcite, feldspar, diamond

• calcite, feldspar, talc, diamond