Regents Minerals, Igneous & Sedimentary Rocks

Which mineral can be found in the rocks phyllite, sandstone, and granite?

• quartz

• pyroxene

• gypsum

• calcite

Which two minerals are commercial sources of iron?

• galena and graphite

• muscovite mica and biotite mica

• garnet and flourite

• hematite and magnetite

Which rock is composed of the mineral halite that formed when seawater evaporated?

• limestone

• rock salt

• dolostone

• rock gypsum

Tags

NGSS.MS-ESS2-4

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

• silicon

• oxygen

• nirtogen

• potassium

Tags

NGSS.MS-PS1-1

Which mineral is commonly used as an abrasive?

• garnet

• halite

• sulfue

• graphite

Which characteristic do samples of the mineral pyroxene normally exhibit?

• yellow to amber color

• bubbling in hydrochloric acid

• cleaves at 56° and 124°

• hardness of 5 to 6

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

• galena

• quartz

• magnetite

• gypsum

Which rock was organically formed and sometimes contains fossilized plant impressions?

• rock gypsum

• phyllite

• breccoa

• coal

Dolostone is classified as which type of rock?

• extrusive ingeous rock

• chemically formed sedimentary rock

• intrusive ingeous rock

• land-derived sedimentary rock

Olivine and pyroxene are commonly found in igneous rocks that are

• felsic, with low densityB

• mafic, with high density

• mafic, with low density

• felsic, with high density