ES rocks & minerals

Base your answer to the question on the Properties of Common Minerals chart in the Earth Science Reference Tables. Which mineral leaves a green-black powder when rubbed against an unglazed porcelain plate?

• galena

• graphite

• hematite

• pyrite

Which of the following minerals has metallic luster, silver color, black streak, and contains iron?

• Graphite

• Galena

• Magnetite

• Pyrite

Wavy bands of light and dark minerals visible in gneiss bedrock probably formed from the

• cementing together of individual mineral grains

• cooling and crystallization of magma

• evaporation of an ancient ocean

• heat and pressure during metamorphism

Which two minerals have cleavage planes at right angles?

• biotite mica and muscovite mica

• sulfur and amphibole

• quartz and calcite

• halite and pyroxene

Which types of rock would most likely form from compaction and cementation of these sediments?

• sandstone and limestone

• shale and coal

• breccia and rock salt

• conglomerate and siltstone

Which home-building material is made mostly from the mineral gypsum?

• plastic pipes

• window glass

• drywall panels

• iron nails

Which intrusive igneous rock could be composed of approximately 60% pyroxene, 25% plagioclase feldspar, 10% olivine, and 5% amphibole?

• granite

• rhyolite

• gabbro

• basalt

Which characteristic provides the best evidence that this pegmatite solidified deep underground?

• low density

• light color

• felsic composition

• very coarse texture

Which mineral has a metallic luster, a black streak, and is an ore of iron?

• galena

• magnetite

• pyroxene

• graphite

Refer to Figure 1 and answer the following question: The diagram below represents a sample of mineral A. Mineral A is most likely

• garnet

• galena

• olivine

• halite

Tags

NGSS.MS-PS1-2