Mineral Composition And Structure Question Preview (ID: 56783)

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Which mineral is mined for its iron content?

a) hematite

b) fluorite

c) galena

d) talc

Which mineral is composed of Calcium and Fluorine?

a) Amphiboles

b) Calcite

c) Hematite

d) Fluorite

The calcite breaks in smooth, flat surfaces because calcite

a) is very dense

b) is very soft

c) contains certain impurities

d) has a regular arrangement of atoms

Quartz and halite have different crystal shapes primarily because

a) light reflects from crystal surfaces

b) energy is released during crystallization

c) of impurities that produce surface variations

d) of the internal arrangement of the atoms

Which statement is an accurate conclusion based on the information provided in the table?

a) Most rocks are monomineralic.

b) All rocks are polymineralic.

c) Many rocks have a number of minerals in common.

d) Only igneous rocks contain quartz.

This mineral breaks in smooth, flat surfaces because it

a) is very hard

b) is very dense

c) contains large amounts of iron

d) has a regular arrangement of atoms

In which group are all the earth materials classified as minerals?

a) feldspar, quartz, and olivine

b) granite, rhyolite, and basalt

c) cobbles, pebbles, and silt

d) conglomerate, sandstone, and shale

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

a) nitrogen

b) oxygen

c) potassium

d) silicon

An arrangement of atoms such as the one shown in the diagram determines a mineral's

a) age of formation

b) infiltration rate

c) physical properties

d) temperature of formation

Which two rocks have the most similar mineral composition?

a) marble and rhyolite

b) limestone and basalt

c) quartzite and rock salt

d) granite and phyllite

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