Defining Minerals | Earth Science | Quiz

Which of the following is NOT part of the definition of a mineral?

naturally formed

solid

produced organically

specific chemical composition
Wood is considered a mineral.

true

false
Steno's contribution to the science of mineralogy was the observation that

the size of a crystal doesn't affect the angles between crystal faces.

the size of crystals changes with the angles between the crystal faces.

quartz crystals are composed of silicon and oxygen.

quartz has a distinctive crystal color.
The earliest study of minerals was conducted by Agricola, who mostly described minerals in relation to

medicine.

mining practices.

chemical composition.

crystal structure.
A rock is just another name for a mineral.

true

false
Minerals that are found on other planets might be able to tell us

if life was ever present on that planet.

if water was ever present on that planet.

if volcanoes ever erupted on that planet.

all of the choices
Three minerals called kyanite, andalusite, and sillimanite all have the same chemical composition (Al₂SiO₅), but they look very different. Which of the following is the most likely reason for this?

The atomic structures of the three minerals are different.

The locations where these minerals occur are different.

The three minerals contain different impurities.

Three different people named the same mineral.
Specific minerals can be created under any situation, as long as the compounds that make it up are present.

true

false