Minerals

Which mineral is mined for its iron content?

• hematite

• fluorite

• galena

• talc

Which element, found in both biotite mica and muscovite mica, makes up the greatest percent by volume of Earth's crust?

• nitrogen

• oxygen

• potassium

• silicon

Which material is made mostly of the mineral quartz?

• sulfuric acid

• pencil lead

• plaster of paris

• window glass

Which mineral is the major component of drywall?

• talc

• calcite

• muscovite mica

• selenite gypsum

The table shows some properties of four different minerals. The minerals listed in the table are varieties of which mineral?

• garnet

• magnetite

• quartz

• olivine

Which mineral has a different common color from its color in powdered form?

• brucite

• canallite

• magnesite

• olivine

Which mineral might scratch the mineral fluorite, but would not scratch the mineral amphibole?

• brucite

• magnesite

• carnallite

• olivine

Which two minerals have compositions that are most similar to calcite?

• brucite and carnallite

• carnallite and dolomite

• dolomite and magnesite

• magnesite and olivine

The minerals talc, muscovite mica, quartz, and olivine are similar because they

• have same hardness

• are the same color

• contain silicon and oxygen

• break along cleavage planes

Which mineral is commonly mined as a source of the element lead (Pb)?

• galena

• quartz

• magnetite

• gypsum