Unit 2 Section 2 Pages 60-70

A solid whose atoms or components appear in a regular, repeating pattern.

A substance that can’t be broken into simpler substances by chemical means.

What are the most common elements in the Earth’s crust?

Atoms combine to make more complex structures such as _ and _. These may be made of one or more element.

A substance that has specific characteristics (physical and chemical); a solid substance that has a characteristic chemical composition (Made of the same material throughout).

_ makes up the rock that forms on Earth’s crust. These can vary from place to place.

Coal, glass, and sugar are examples of what?

Glacial Ice, Drusy Quartz, and Calcite are all examples of what?

What is the Criteria for minerals?

Minerals that are crystals of a single element are called _.

Of the 92 naturally occurring elements on earth, how many are native element minerals?

Most of the more than 5,000 different known minerals are _.

A substance composed of atoms of 2 or more different types of elements that are held together by chemical bonds.

The most abundant minerals in the earth’s crust are compounds rich in Oxygen and Silicon called _?

The most abundant minerals in the earth’s crust are a combo of silica with _.

Function of the wavelengths of light that a mineral reflects.

Description of the way a mineral reflects light.

A measure of the amount of light that a mineral absorbs or allows to pass through.

How a mineral normally appears in nature. It’s determined by the way the atoms within are organized, the way it forms, and the environment that it’s formed in.

_ and _ describe the way a mineral breaks.

Color of a mineral in its powdered form. It’s a useful way to identify minerals because it doesn’t differ significantly from sample to sample.

Used to describe the relative hardness of a mineral crystal or its scratch resistance.