Regents Earth Science - Minerals 2024

Front

What two minerals will form and cleave into cubes when broken?

Back

Halite and galena.

Front

What does cleavage in minerals refer to?

Back

Cleavage refers to the tendency of a mineral to break along flat surfaces.

Front

What is the difference between cleavage and fracture in minerals?

Back

Cleavage is the tendency to break along flat planes, while fracture is how a mineral breaks when it does not break evenly.

Front

What physical characteristic of minerals depends on the internal arrangement of atoms?

Back

Mineral physical characteristics such as hardness, cleavage, and crystal form depend on the internal arrangement of atoms.

Front

Which element is most abundant by volume in Earth's crust and is found in both biotite mica and muscovite mica?

Back

Oxygen.

Tags

NGSS.MS-PS1-1

Front

What is the definition of a mineral?

Back

A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure.

Front

What is the significance of a mineral's hardness?

Back

Hardness is a measure of a mineral's resistance to scratching and is an important property for identification.

Front

What is the Mohs scale of hardness?

Back

The Mohs scale of hardness is a scale that ranks minerals from 1 (talc) to 10 (diamond) based on their ability to scratch one another.

Front

What is the difference between a mineral and a rock?

Back

A mineral is a single substance with a specific chemical composition, while a rock is a solid aggregate of one or more minerals.

Front

What is the term for the way a mineral reflects light?

Back

Luster.