BJU Earth Science Chapter 9 Review- Minerals and Ores

Which of the following is not a native mineral?

a mineral composed of sulfur and one or more elements

T or F: A mineral sample that can glow for extended periods in dark is said to be fluorescent

The brilliance of a diamond is due to its high index of

A dark mineral sample attracts iron filings. You could conclude that the mineral is

Which of the following is not a mineral?

The process by which a crystal grows is called

a chemical geologist who mainly identifies, classifies, and analyzes minerals

a mineral composed mainly of oxygen and a metal element.

a mineral made of a chemical compound

the tendency of certain minerals to break rather than split along crystal planes.

What common metal was once worth more per ounce than gold?

the bending of light

rocks that contain certain valuable minerals

a mineral salt compound

two or more substances combined but not chemically bonded

color test used to identify a mineral that involves creating a streak of mineral's powder by rubbing it on ceramic plate

A mineral sample gives a strong reading on a Geiger counter. You could conclude that it is

T or F: Cleavage and fracture both refer to the characteristic way in which a mineral breaks.

A minerals ability to resist scratching that relates to the crystal structure

True or False: All native minerals are pure elements.

Oxides are compounds that consist of _______ and another element, usually a metal.

a mineral that contains one or more metals atoms and the carbonate ion.

The most abundant family or class of minerals is the

the glow caused by ultraviolet light illumination

a mineral that contains only one element and that exists in its pure state in nature.

a property of mineral crystals associated with their ease of splitting along distinct planes.

A property test to determine the ratio of density of the mineral to the density of water.

T or F: A minerals streak is a more reliable way to classify a mineral than its apparent color.

True or False: Some minerals can have more than one color

a mineral that contains mainly silicon and oxygen and is the most abundant family of minerals

A mineral rates as 1 on the Mohs scale is

True or False: Some minerals are too hard to leave a streak on a streak plate.

The amount and quality of light that a mineral reflects that can be used as a test to identify minerals

The best metallic conductor of electricity is

True or False: The Mohs scale is used to rate a mineral's resistance to fracturing.

True or False: Diamond is composed of carbon.

scale of relative hardness from 1-10 used for classifying minerals, compares the hardness of an unknown to known mineral

True or False: All minerals are composed of two or more elements.

Which one of the following minerals has perfect cleavage?

naturally occurring, inorganic, crystalline solid that has a definite chemical composition

When you conduct an acid test on a mineral sample, you are watching for