REVIEW-Rocks and Minerals

Front

Scratching a mineral against a glass plate is a method used for determining the mineral's property.

Back

hardness

Front

Which mineral property is illustrated by the peeling of muscovite mica into thin, flat sheets?

Back

cleavage

Front

Back

A—cleavage; B—streak; C—hardness

Front

Which mineral shows no cleavage, has a hardness of 7, and a composition of SiO₂?

Back

Quartz

Front

Which mineral is the major component of drywall?

Back

selenite gypsum

Front

Which mineral is white or colorless, has a hardness of 2.5, and splits with cubic cleavage? Options: pyrite, halite, calcite, mica

Back

halite

Front

Which two processes formed this rock?

Back

compaction and cementation

Front

What provides the best evidence for determining the cooling rate of an igneous rock during its solidification?

Back

The crystal size of its minerals

Front

The obsidian's glassy texture indicates that it formed from a magma that cooled

Back

quickly, on Earth's surface

Front

Which rock is of felsic composition, low in density, light in color, and coarse grained? Options: gabbro, granite, rhyolite, basalt

Back

granite