Rocks and Minerals

Front

What is the breakage of a mineral along flat surfaces called?

Back

Cleavage is the tendency of a mineral to break along flat surfaces.

Front

What is the term for the irregular breakage of a mineral?

Back

Fracture refers to the uneven breakage of a mineral.

Front

What type of metamorphic rock has a layered or banded appearance?

Back

Foliated metamorphic rocks have a layered or banded appearance.

Front

What is the term for the way light reflects off a mineral's surface?

Back

Luster describes the way light reflects from a mineral's surface.

Front

What is the luster of a mineral that appears shiny and reflective?

Back

Metallic luster is when a mineral appears shiny and reflective like metal.

Front

What is the luster of a mineral that appears glassy?

Back

Glassy luster refers to a mineral that has a shiny, glass-like appearance.

Front

What is the term for the color of the powder left behind when a mineral is scratched on a porcelain plate?

Back

Streak is the color of the powder left behind when a mineral is scratched.

Front

What type of rock forms from the cooling and solidification of magma?

Back

Igneous rocks form from the cooling and solidification of magma.

Front

What type of rock is formed from the alteration of existing rocks due to heat and pressure?

Back

Metamorphic rocks are formed from the alteration of existing rocks due to heat and pressure.

Front

What is the term for rocks that form from the accumulation of sediments?

Back

Sedimentary rocks form from the accumulation and compaction of sediments.