Mineral Practice - ESRRT p 16

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

• feldspar, quartz, and olivine

• granite, rhyolite, and basalt

• cobbles, pebbles, and silt

• conglomerate, sandstone, and shale

Silicate minerals contain the elements silicon and oxygen. Which list contains only silicate materials?

• graphite, talc, and selenite gypsum

• biotite mica, fluorite, and garnet

• potassium feldspar, quartz, and amphibole

• calcite, dolomite, and pyroxene

Tags

NGSS.MS-PS1-1

Scratching a mineral against a glass plate is a method used for determining the mineral's

• hardness

• cleavage

• luster

• streak

Moh's scale would be most useful for

• finding the density of a mineral sample

• finding the mass of a mineral sample

• identifying a mineral sample

• counting the number of cleavage surfaces of a mineral sample

Which mineral property is being tested?

• fracture

• density

• streak

• luster

Which common mineral fizzes when dilute hydrochloric acid (HCl) is placed on it?

• talc

• gypsum

• quartz

• calcite

Tags

NGSS.MS-PS1-2

Moh's scale arranges minerals according to their relative

• specific heat

• resistance to breaking

• resistance to scratching

• specific gravity

What is the hardness of Sulfur?

• 6.5

• 3

• 2

• 2.5

Which mineral will scratch glass (hardness = 5.5), but not pyrite?

• gypsum

• biotite mica

• quartz

• magnetite

Which mineral shows no cleavage, has a hardness of 7, and a composition of SiO2?

• graphite

• halite

• quartz

• muscovite