Mineral Review Mineral Review GameGame

Grad a white board and a Grad a white board and a marker in the back. `marker in the back. `

If a mineral has perfect If a mineral has perfect cleavage, itcleavage, it

A.A. Breaks easilyBreaks easily

B.B. Breaks along smooth surfacesBreaks along smooth surfaces

C.C. Scratches smooth surfacesScratches smooth surfaces

D.D. Scratches easily Scratches easily

The Answer is: B- it breaks along smooth surfaces

Rock forming minerals Rock forming minerals contain elements that are contain elements that are

common in Earth’scommon in Earth’s

A. MantleA. Mantle B. CrustB. Crust C. Outer CoreC. Outer Core D. Inner CoreD. Inner Core

B. Crust

Which of the following is Which of the following is true?true?

A. some minerals have no crystal A. some minerals have no crystal structurestructure

B. Some minerals are liquidsB. Some minerals are liquids C. Minerals are rarely form in natureC. Minerals are rarely form in nature D. Minerals are always solidsD. Minerals are always solids

D. Minerals are always solids!

The most common rock – The most common rock – forming minerals areforming minerals are

A. oxidesA. oxides B. CarbonatesB. Carbonates C. silicatesC. silicates D. metalsD. metals

C. silicatesC. silicates

Which of the following is Which of the following is one way to tell which of two one way to tell which of two

minerals is harder?minerals is harder? A. The harder mineral will mark a pennyA. The harder mineral will mark a penny B. The harder mineral will attract a magnetB. The harder mineral will attract a magnet C. The harder mineral will scratch the softer C. The harder mineral will scratch the softer

oneone D. The harder mineral cannot be scratched D. The harder mineral cannot be scratched

by steel.by steel.

C. The harder one will scratch the softer one

The color of a mineral when The color of a mineral when it is ground into a powder is it is ground into a powder is

itsits

A. fractureA. fracture B. cleavageB. cleavage C. lusterC. luster D. StreakD. Streak

D. Streak

The best way to tell a pyrite The best way to tell a pyrite sample from a gold sample sample from a gold sample

of similar size is to compare of similar size is to compare their their

A. ColorsA. Colors B. LusterB. Luster C. DensitiesC. Densities D. BondsD. Bonds

C. Densities

When you say a mineral is When you say a mineral is “metallic,” you are talking “metallic,” you are talking

about itsabout its A. streakA. streak B. lusterB. luster C. C.

hardnesshardness D. fractureD. fracture

B. LUSTER!

Minerals are grouped Minerals are grouped according to their according to their

A. StructureA. Structure B. CompositionB. Composition C. DensityC. Density D. MassD. Mass

B. Composition

Quartz, feldspar, and mica Quartz, feldspar, and mica are all common are all common

A. elementsA. elements B. CarbonatesB. Carbonates C. oxidesC. oxides D. silicatesD. silicates

D. Silicates

Determining the manner in Determining the manner in which a mineral breaks is which a mineral breaks is

helpful when helpful when A. identifying mineralA. identifying mineral B. making the mineralB. making the mineral C. changing the mineral’s C. changing the mineral’s

compositioncomposition D. mining the mineralD. mining the mineral

A. Identifying the mineral

The two major types of The two major types of mineral luster aremineral luster are

A. metallic and nonmetallicA. metallic and nonmetallic B. shiny and dullB. shiny and dull C. glossy and metallicC. glossy and metallic D. dull and glossyD. dull and glossy

A. Metallic and nonmetallic

Which of the following are Which of the following are the most common groups of the most common groups of

rock forming minerals?rock forming minerals? A. Carbonates and silicatesA. Carbonates and silicates B. oxides and carbonatesB. oxides and carbonates C. diamonds and oxidesC. diamonds and oxides D. silicates and diamondsD. silicates and diamonds

A. Carbonates and silicates

All minerals areAll minerals are

A. CubicA. Cubic B. hexagonalB. hexagonal C. liquidsC. liquids D. SolidsD. Solids

D. Solids

To identify a mineral, To identify a mineral, scientists may scratch a scientists may scratch a

mineral against a surface. mineral against a surface. The Color of powder left The Color of powder left behind is the mineral’s behind is the mineral’s

A. elementA. element B. streakB. streak C. lusterC. luster D. fluorescenceD. fluorescence

B. Streak

A quartz sample breaks into A quartz sample breaks into many irregular pieces. This many irregular pieces. This

is an example ofis an example of

A. fractureA. fracture B. B.

CleavageCleavage C. DensityC. Density D. StreakD. Streak

A. Fracture

MOHS Scale of HardnessMOHS Scale of Hardness

11 TalcTalc

22 GypsumGypsum

33 CalciteCalcite

44 FluoriteFluorite

55 ApatiteApatite

66 FeldsparFeldspar

77 QuartzQuartz

88 TopazTopaz

99 CorundumCorundum

1010 DiamondDiamond

Your fingernail has a Your fingernail has a hardness of about 2.5hardness of about 2.5

A steel file has a hardness of A steel file has a hardness of 6.56.5

Name one Name one mineral on the mineral on the Mohs scale that Mohs scale that is softer than is softer than fluoritefluorite

Write your Write your answer on the answer on the dry erase board.dry erase board.

What is the hardness What is the hardness of topaz?of topaz?

MOHS Scale of HardnessMOHS Scale of Hardness1.1. TalcTalc2.2. GypsumGypsum3.3. CalciteCalcite4.4. FluoriteFluorite5.5. ApatiteApatite6.6. FeldsparFeldspar7.7. QuartzQuartz8.8. TopazTopaz9.9. CorundumCorundum10.10. DiamondDiamondYour fingernail has a Your fingernail has a

hardness of about 2.5hardness of about 2.5A steel file has a A steel file has a

hardness of 6.5hardness of 6.5

8

What is the hardness What is the hardness of Feldspar?of Feldspar?

3

What is the hardness What is the hardness of Calcite?of Calcite?

6

Is a Diamond harder Is a Diamond harder or softer than a steel or softer than a steel file?file?

MOHS Scale of HardnessMOHS Scale of Hardness1.1. TalcTalc2.2. GypsumGypsum3.3. CalciteCalcite4.4. FluoriteFluorite5.5. ApatiteApatite6.6. FeldsparFeldspar7.7. QuartzQuartz8.8. TopazTopaz9.9. CorundumCorundum10.10. DiamondDiamondYour fingernail has a Your fingernail has a

hardness of about 2.5hardness of about 2.5A steel file has a A steel file has a

hardness of 6.5hardness of 6.5

Harder

Is topaz harder or Is topaz harder or softer than a steel softer than a steel file?file?

Is Feldspar harder or Is Feldspar harder or softer than a Topaz?softer than a Topaz?

Harder

Softer

Explain why Explain why you could not you could not use a steel file use a steel file to tell the to tell the difference difference between a between a sample of topaz sample of topaz and a sample of and a sample of quartz.quartz.

MOHS Scale of MOHS Scale of HardnessHardness

1.1. TalcTalc2.2. GypsumGypsum3.3. CalciteCalcite4.4. FluoriteFluorite5.5. ApatiteApatite6.6. FeldsparFeldspar7.7. QuartzQuartz8.8. TopazTopaz9.9. CorundumCorundum10.10. DiamondDiamondYour fingernail has a Your fingernail has a

hardness of about hardness of about 2.52.5

A steel file has a A steel file has a hardness of 6.5hardness of 6.5

I’m the color of the mineral I’m the color of the mineral powder left behind when a powder left behind when a mineral is scraped across a mineral is scraped across a

surface.surface.

streakstreak

I’m molten rock inside I’m molten rock inside EarthEarth

MagmaMagma

I’m a solid formed in nature I’m a solid formed in nature with a definite chemical with a definite chemical

makeup and crystal makeup and crystal structure.structure.

MineralMineral

I’m the way in which light I’m the way in which light reflects from the surface of reflects from the surface of

a mineral.a mineral.

LusterLuster

I’m the molten rock that I’m the molten rock that reaches Earth’s surface.reaches Earth’s surface.

LavaLava

I’m a substance that I’m a substance that contains only one type of contains only one type of

atom.atom.ElementElement

I’m the tendency of a I’m the tendency of a mineral to break along flat mineral to break along flat

surfaces.surfaces.

CleavageCleavage

I’m a solid in which the I’m a solid in which the atoms are arranged in an atoms are arranged in an orderly, repeating three-orderly, repeating three-

dimensional pattern.dimensional pattern.CrystalCrystal

I’m the tendency of a I’m the tendency of a mineral to break into mineral to break into

irregular pieces.irregular pieces.

FractureFracture

I’m a mineral’s resistance I’m a mineral’s resistance to being scratched.to being scratched.

hardnesshardness

I’m the mass of a substance I’m the mass of a substance divided by its volume.divided by its volume.

densitydensity