Earth Science Ch. 4 Minerals

T/F: Minerals can form from elements dissolved in a solution.

What is true about minerals?

In double refraction, light is

Color of a mineral when it is broken up and powdered

96% of the minerals present in Earth's crust are in which mineral group?

Mineral that contains silicon & oxygen

Identification tests for minerals are based on their

Minerals break along planes where atomic bonds are

Naturally occurring, inorganic solid w/ a specific chemical composition & crystalline structure

T/F: If a solution remains unsaturated, mineral crystals may precipitate.

Which mineral bubbles when it comes in contact w/ hydrochloric acid b/c the calcite releases?

T/F: Density differences can force magma upward into cooler layers.

T/F: When liquid evaporates from a solution, the remaining elements cannot form crystals.

Mineral that contains a useful substance that can be mined for a profit

Molten material found beneath Earth's crust

Measure of how easily a mineral can be scratched

T/F: Small crystals form from rapidly cooling magma.

Valuable mineral prized for its rarity and beauty

T/F: Minerals can form from the cooling of magma.

The most abundant elements in Earth's crust are

Property of breaking with rough or jagged edges

Minerals always exist in a(n) ___________ form.

Property of splitting along one or more flat planes evenly and easily

Silver, gold, & copper have shiny surfaces and thus are said to have __________________.

The ratio of the weight of a substance to the weight of an equal volume of water

A mineral's hardness with respect to other minerals can be determined by

Ores near the Earth's surface are generally obtained from ____________.

Solid in which the atoms are arranged in repeating patterns

Which of the following is NOT a test to identify minerals?

the way a mineral reflects light from its surface

T/F: If magma cools slowly, atoms do not have time to arrange themselves into large crystals.

Lodestone can pick up iron filings. What special property does lodestone have?