HW 1 Geology

Hardness describes a mineral's __________.

What is the basic foundation of Moh's hardness scale?

Name the hardest and softest mineral on the Moh's scale.

What mineral is not scratched by a fingernail, but is scratched by a copper penny?

Which of the following best describes the term cleavage?

What causes a lack of cleavage in some minerals?

Quartz exhibits __________.

The principal mineral used in making glass is:

All of the following criteria define a mineral

Which of the following substances is a mineral?

The silicon-oxygen tetrahedron contains:

The ratio of silicon to oxygen atoms in silicate minerals depends on:

In silicate minerals, the type of cleavage or fracture is influenced by:

The arrangement of the silicon-oxygen tetrahedra in ferromagnesian (iron- and magnesium-bearing) silicate minerals is typically:

The mineral fluorite is an example of:

The external expression of a mineral's orderly internal arrangement of atoms is referred to as:

The property of cleavage reflects:

In the field, you find an unidentified mineral that is clear, exhibits conchoidal fracture, and can scratch glass. This mineral is most likely:

While studying some sedimentary rocks in your field area, you find a mineral with rhombohedral cleavage that reacts with hydrochloric acid. You determine that this mineral is:

Regardless of their size, most rocks are made up of __________.

Minerals must be solid, have an orderly atomic structure, have a recognized chemical composition, be naturally occurring, and __________.

A scientist creates diamonds using high-pressure laboratory experiments. These diamonds are not considered minerals because which of the following requirements has been violated?

Which of the following is a mineral?

Why glass is not considered a mineral?