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    Energy gained during melting . . . . . . . . . . . . . . . . 80 calories/gram

    Energy released during freezing . . . . . . . . . . . . 80 calories/gram

    Energy gained during vaporization . . . . . . . . 540 calories/gram

    Energy released during condensation . . . . . 540 calories/gram

    Density at 3.98C . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.00 gram/milliliter

    16

    17

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    15

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    12

    13

    14

    cm

    RADIOACTIVEISOTOPE

    DISINTEGRATIONHALF-LIFE

    (years)

    Carbon-14

    Potassium-40

    Uranium-238

    Rubidium-87

    C14

    K40

    U238

    Rb87

    N14

    Pb206

    Sr87

    5.7 103

    1.3 109

    4.5 109

    4.9 1010

    Ar40

    Ca40

    MATERIAL SPECIFIC HEAT(calories/gram C)

    Water

    Dry air

    Basalt

    Granite

    Iron

    Copper

    Lead

    solid

    liquid

    gas{

    0.5

    1.0

    0.5

    0.24

    0.20

    0.19

    0.11

    0.09

    0.03

    2001 EDITIONThis edition of the Earth Science Reference Tables should be used in theclassroom beginning in the 20002001 school year. The first examinationfor which these tables will be used is the January 2001 RegentsExamination in Earth Science.

    Specific Heats of Common MaterialsRadioactive Decay Data

    Percent deviationfrom accepted value

    Eccentricity of an ellipse

    Gradient

    Density of a substance

    deviation (%) = 100

    eccentricity=distance between foci

    length of major axis

    difference from accepted value

    accepted value

    gradient =change in field value

    distance

    density =mass

    volume

    Rate of change rate of change =change in field value

    time

    EQUATIONS

    PHYSICAL CONSTANTS

    The University of the State of New York THE STATE EDUCATION DEPARTMENT Albany, New York 12234 www.nysed.gov

    Earth Science Reference Tables

    EURYPTERUS

    Properties of Water

    New York State Fossil

    (Revised November 2006)

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    TUGHILL

    PLATEAU

    THECATSKILLS

    ALLEGHENYPLATEAU

    LAKE

    ERIE

    LAKEONTARIO

    ADIRONDACK

    MOUNTAINS

    ST.LAWRENC

    ELO

    WLANDS

    ERIEONTARIOLOWL

    ANDS

    (PLAINS)

    GRENVILLEPROVINCE

    (HIGHLANDS)

    NEW

    E

    NGLA

    NDPR

    OVI

    NCE

    (HIG

    HLA

    NDS)

    INTERIORLOWLANDS

    TACONICM

    OUNTAINS

    NEWAR

    K

    LOWLA

    NDS

    HUDS

    ONHIGHLANDS

    MAN

    HATTAN

    PRONG

    CHAMPLAINLOWLANDS

    Ge

    neralizedLandscapeRegi

    onsofNewY

    orkState

    APPAL

    ACHI

    AN

    PL

    ATEAU(U

    PLANDS)

    ATLA

    NTIC

    COA

    STAL

    PLAIN

    HU

    DSON

    MOHAW

    KLOWLANDS

    KEY

    Majo

    rGeographicProvinceBoundary

    Land

    scapeRegionBoundary

    State

    Boundary

    InternationalBoundary

    N

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    N

    Earth Science Reference Tables 2001 Edition (Revised November 2006)

    GeneralizedBedrockGeologyofNewY

    orkState

    modifiedfrom

    GEOLOGICALSURVEY

    NEW

    YORKSTATEMUSEUM

    1989

    NiagaraRiver

    GEOLOGICALP

    ERIODSANDERASINNEW

    YORK

    CRETACEOUS,TERTIAR

    Y,PLEISTOCENE

    (Epoch)weaklyconsolidatedtounconso

    lidatedgravels,sands,andclays

    LATETRIASSIC

    andEAR

    LYJURASSIC

    conglomerates,redsandstones,redshales,

    anddiabase(inPalisadesSill)

    PENNSYLVANIAN

    andMISSISSIPPIAN

    conglomerates,sandstones,andshales

    DEVONIAN

    limestones,shales,sandstones,andconglomerates

    SILURIAN

    Silurianalsocontainssalt,

    gypsum,

    andhematite.

    ORDOVICIAN

    limestones,shales,sandstones,anddolostones

    CAMBRIAN

    CAMBRIAN

    andEARLYO

    RDOVICIAN

    sandstonesanddolostones

    ModeratelytointenselymetamorphosedeastoftheHudsonRiv

    er.

    CAMBRIAN

    andORDOVI

    CIAN

    (undifferentiated)quartzites,dolostones,marbles,andschists

    Inten

    selymetamorphosed;includesportionsoftheTaconicSequenceandCortlandtComplex.

    TACONIC

    SEQUENCEsa

    ndstones,shales,andslates

    Sligh

    tlytointenselymetamorphosedrocksofCAMBRIAN

    throughMIDDLEORDOVICIAN

    ages.

    MIDDLE

    PROTEROZOIC

    gneisses,quartzites,andmarbles

    Linesaregeneralizedstructuretrends.

    IntenselyMeta

    morphosedRocks

    MIDDLE

    PROTEROZOIC

    anorthositicrocks

    (regionalmetam

    orphisma

    bout1,000m.y.a.)

    }}

    }

    }

    }

    Dominantly

    Sedimentary

    Origin

    Dominantly

    Metamorpho

    sed

    Rocks

    LO

    NG

    I

    SLAND

    SOUND

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    SurfaceOceanCurrents

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    Earth Science Reference Tables 2001 Edition (Revised November 2006)

    TectonicPlates

    Philippine

    Plate

    Fiji

    Plate

    Mid-AtlanticRidge

    Sandwich

    Plate

    KEY:

    DivergentPlateBoundary

    (usuallybrokenbytransform

    faultsalong

    mid-oceanridges)

    ConvergentPla

    teBoundary

    (Subductio

    nZone)

    TransformP

    lateBoundary

    (TransformF

    ault)

    ComplexorUncertain

    PlateBoundary

    RelativeMotion

    atPlat

    eBoundary

    Mantle

    HotSpot

    M i d O

    R i d

    overrid

    ing

    plat

    e

    subducting

    plat

    e

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    Cem

    enta

    tion

    BurialDeposition

    Compaction

    Wea

    thering

    &

    Eros

    ion

    Metamor

    phism

    SEDIMENTARYROCK

    Weathering&Erosion

    Weathe

    ring& E

    rosio

    n

    Melting

    METAMORPHICROCK

    IGNEOUSROCK

    Me

    l

    ting

    (Upl

    if

    t)

    Solid

    ifica

    tion

    Heat an

    d/or Pressure

    (Uplift)

    Melting

    (Uplift)

    Heatand/or

    Pressure

    Metamo

    rphism

    Erosion

    MAGMA

    SEDIMENTS

    0 100 200 300 400 500 600 700 800

    100.0

    10.0

    1.0

    0.1

    0.01

    0.001

    0.0001

    0.00001

    STREAM VELOCITY (cm/sec)

    PARTICLED

    IAMETER

    (cm)

    *This generalized graph shows the water velocity needed tomaintain, but not start, movement. Variations occur due todifferences in particle density and shape.

    BOULDERS

    COBBLES

    PEBBLES

    SAND

    SILT

    CLAY

    25.6 cm

    6.4 cm

    0.2 cm

    0.006 cm

    0.0004 cm

    Rock Cycle in Earths Crust

    Scheme for Igneous Rock Identification

    Relationship of TransportedParticle Size to Water Velocity

    Pyroxene(green)

    Amphibole(black)

    Biotite(black)

    Potassiumfeldspar

    (pink to white)

    (RelativebyVolume)

    MINERALCOMPOSITION

    Quartz(clear towhite)

    CHARACTERISTICS

    MAFIC (Fe, Mg)

    HIGH

    DARK

    FELSIC (Al)

    LOW

    LIGHT

    GRAINSIZE

    TEXTURE

    Pumice

    INTRUSIVE

    (Plutonic)

    EXTRUSIVE

    (Volcanic)

    ENVIRONM

    ENTOFFORMATION

    Plagioclase feldspar(white to gray)

    Olivine(green)

    COMPOSITION

    DENSITY

    COLOR

    100%

    75%

    50%

    25%

    0%

    100%

    75%

    50%

    25%

    0%

    IGN

    EOUSROCKS

    Non-

    crystalline

    GlassyBasaltic Glass

    Obsidian(usually appears black)

    lessthan

    1mm Fine

    BasaltAndesiteRhyolite

    1mmto

    10mm

    CoarsePeri-dotite

    GabbroDioriteGranite

    Pegmatite

    10mm

    or

    larger

    VeryCoarse

    Scoria

    Vesicular(gas

    pockets)

    Dunite

    Non-vesicular

    Non-vesicular

    Vesicular Basaltic Glass

    VesicularBasalt

    Vesicular Rhyolite VesicularAndesite

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    Earth Science Reference Tables 2001 Edition (Revised November 2006)

    INORGANIC LAND-DERIVED SEDIMENTARY ROCKS

    COMPOSITIONTEXTURE GRAIN SIZE COMMENTS ROCK NAME MAP SYMBOL

    Rounded fragments

    Angular fragmentsMostly

    quartz,

    feldspar, and

    clay minerals;may contain

    fragments of

    other rocks

    and minerals

    Pebbles, cobbles,and/or bouldersembedded in sand,silt, and/or clay

    Clastic

    (fragmental)

    Very fine grain

    Compact; may split

    easily

    Conglomerate

    Breccia

    CHEMICALLY AND/OR ORGANICALLY FORMED SEDIMENTARY ROCKS

    Crystalline

    Halite

    Gypsum

    Dolomite

    Calcite

    Carbon

    Crystals from

    chemical

    precipitates

    and evaporites

    Rock Salt

    Rock Gypsum

    Dolostone

    Limestone

    Coal

    . . . . .. . . .

    Sand

    (0.2 to 0.006 cm)

    Silt(0.006 to 0.0004 cm)

    Clay(less than 0.0004 cm)

    Sandstone

    Siltstone

    Shale

    Fine to coarse

    COMPOSITIONTEXTURE GRAIN SIZE COMMENTS ROCK NAME MAP SYMBOL

    Varied

    Varied

    Varied

    Microscopic to coarse

    Varied

    Cemented shellfragments or precipitates

    of biologic origin

    From plant remains

    . . . . .. . . .

    Bioclastic

    FOLIATED

    NONFOLIATED

    Fine

    Fineto

    medium

    Mediumto

    coarse

    RegionalLow-grademetamorphism of shale

    Platy mica crystals visible frommetamorphism of clay orfeldspars

    High-grade metamorphism;some mica changed to feldspar;segregated by mineral typeinto bands

    Slate

    Schist

    Gneiss

    Metamorphism of quartzsandstone

    Metamorphism oflimestone or dolostone

    Pebbles may be distortedor stretched

    MICA

    QUARTZ

    FELDSPAR

    AMPHIBOLE

    GARNET

    PYROXENE

    COMPOSITIONTEXTUREGRAINSIZE COMMENTS ROCK NAME

    TYPE OFMETAMORPHISM

    Metaconglomerate

    Quartzite

    Marble

    Coarse

    Fineto

    coarse

    Quartz

    Calcite and/ordolomite

    Various mineralsin particlesand matrix

    (Heat andpressureincreasewith depth)M

    INERAL

    ALIGNMENT

    BAND-

    ING

    Contact(Heat)

    Various rocks changed byheat from nearbymagma/lava

    HornfelsVariableFine

    Regional

    or

    Contact

    MAP SYMBOL

    Foliation surfaces shiny frommicroscopic mica crystals

    Phyllite

    Scheme for Metamorphic Rock Identification

    Scheme for Sedimentary Rock Identification

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    4

    3

    2

    1

    0

    PRESSURE

    (millionsofatmospheres)

    MID-ATLAN

    TIC

    RIDGE

    LITHO

    SPHE

    RE

    CRUST

    RIGID

    MANTLE

    C A S C A D E S

    TR E N C H

    12.713.0

    9.912.1

    3.35.5

    3.0 oceanic crust2.7 continental crust

    DENSITY (g/cm3)

    0 2000 4000 6000

    5000

    4000

    3000

    2000

    1000

    0

    DEPTH (km)

    TEM

    PERATURE

    (C)

    1000 3000 5000

    6000MANTLE

    ATLA

    NTIC

    OCEAN

    NORTH

    AMERIC

    A

    MOHO

    INNER

    CORE

    IRON&NICKE

    L

    OUT

    ERCORE

    (IRON

    ?)

    ASTHENOSPHERE(PLA

    STIC

    MANT

    LE)

    EARTHS CENTER

    STIFFER

    MANT

    LE

    MELTING

    POINT

    ??

    ?

    ?????

    ?

    PARTIAL MELTING OFULTRAMAFIC MANTLE

    MELTIN

    G

    POINT

    ACTU

    ALTE

    MPER

    ATUR

    E

    OCEAN

    PACIFIC

    Inferred Properties of Earths Interior

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    24

    23

    22

    21

    20

    19

    18

    17

    16

    1514

    13

    12

    11

    10

    9

    8

    7

    6

    5

    4

    3

    2

    1

    1 2 3 4 5 6 7 8

    EPICENTER DISTANCE (103

    km)

    TRAVELTIME(minutes)

    P

    9 10

    S

    Earth Science Reference Tables 2001 Edition (Revised November 2006) 1

    Average Chemical Compositionof Earths Crust, Hydrosphere, and Troposphere

    ELEMENT(symbol)

    CRUST HYDROSPHERE TROPOSPHERE

    Oxygen (O)

    Silicon (Si)

    Aluminum (Al)

    Iron (Fe)Calcium (Ca)

    Sodium (Na)

    Magnesium (Mg)

    Potassium (K)

    Nitrogen (N)

    Hydrogen (H)

    Other

    46.40

    28.15

    8.23

    5.634.15

    2.36

    2.33

    2.09

    0.66

    Percent byMass

    Percent byVolume

    Percent byVolume

    Percent byVolume

    94.04

    0.88

    0.48

    0.491.18

    1.11

    0.33

    1.42

    0.07

    33.0

    66.0

    1.0

    21.0

    78.0

    1.0

    Earthquake P-wave and S-wave Travel Time

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    1

    33 28

    24 21

    18

    1412

    10 7

    5 3

    1

    14

    68

    10

    1214

    1619

    2123

    25

    2729

    2

    36

    28

    2218

    1412

    8 6

    3

    11

    36

    8

    1113

    1517

    1921

    23

    2527

    0

    2018

    1614

    12

    10 8

    6 4

    20

    2

    46

    810

    12

    1416

    1820

    2224

    26

    2830

    20

    1816

    1412

    1086

    42

    02

    4

    68

    1012

    14

    16

    182022

    24

    2628

    30

    3

    29

    2217

    13 9

    6

    41

    14

    6

    911

    1315

    1720

    22

    2426

    4

    29

    2015

    11

    7 4

    21

    4

    69

    1114

    1618

    20

    2224

    5

    24

    17

    117

    52

    1

    47

    912

    1416

    18

    2123

    6

    1913

    9 5

    2

    14

    710

    1214

    17

    1921

    7

    21

    14 9

    5

    21

    47

    1012

    15

    1719

    8

    14

    9

    51

    24

    810

    13

    1618

    9

    28

    16

    10 6

    22

    58

    11

    1416

    10

    1710

    52

    36

    9

    1114

    11

    17

    10 5

    12

    6

    912

    12

    1910

    51

    3

    710

    13

    19

    10 5

    0

    48

    14

    1910

    4

    15

    15

    18

    9

    31

    Difference Between Wet-Bulb and Dry-Bulb Temperatures (C)

    Difference Between Wet-Bulb and Dry-Bulb Temperatures (C)Dry-BulbTempera-ture (C)

    128

    40

    4855

    6166

    71

    7377

    7981

    83

    85

    868788

    8889

    90

    9191

    9292

    92

    9393

    2

    11

    2333

    41

    4854

    5863

    67

    70

    727476

    7879

    80

    8182

    8384

    85

    8686

    0100

    100

    100100

    100100

    100

    100100

    100100

    100

    100

    100100100

    100100

    100

    100100

    100100

    100

    100100

    20

    1816

    1412

    10 8

    6

    4 2

    02

    4

    68

    1012

    14

    1618

    2022

    2426

    28

    30

    3

    13

    2032

    3745

    51

    56

    596265

    6769

    71

    7274

    7576

    77

    7879

    4

    11

    2028

    36

    42

    465154

    5760

    62

    6466

    6869

    70

    7172

    5

    111

    20

    27

    353943

    4850

    54

    5658

    6062

    64

    6566

    6

    6

    14

    222833

    3841

    45

    4851

    5355

    57

    5961

    7

    101724

    2833

    37

    4044

    4649

    51

    5355

    8

    613

    1925

    29

    3336

    4042

    45

    4749

    9

    4

    1016

    21

    2630

    3336

    39

    4244

    10

    28

    14

    1923

    2730

    34

    3639

    11

    1

    7

    1217

    2125

    28

    3134

    12

    1

    611

    1520

    23

    2629

    13

    5

    1014

    18

    2125

    14

    49

    13

    1720

    15

    4

    9

    1216

    Dry-BulbTempera-ture (C)

    12 Earth Science Reference Tables 2001 Edition (Revised November 20

    Dewpoint Temperatures (C)

    Relative Humidity (%)

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    Weather Map Symbols

    Earth Science Reference Tables 2001 Edition (Revised November 2006) 1

    110

    100

    90

    80

    70

    60

    50

    40

    30

    20

    10

    0

    10

    20

    30

    40

    50

    220

    200

    180

    160

    140

    120

    100

    80

    60

    40

    20

    0

    20

    40

    60

    380

    370

    360

    350

    340

    330

    320

    310

    300

    290

    280

    270

    260

    250

    240

    230

    220

    Fahrenheit Celsius Kelvin

    Water boils

    Human bodytemperature

    Roomtemperature

    Ice melts

    Temperature

    196

    +19/

    .25

    28

    27

    Amount of cloud cover(approximately 75% covered)

    Barometric pressure(1019.6 mb)

    Barometric trend(a steady 1.9-mb risethe past 3 hours)

    Precipitation(inches past 6 hours)

    Wind direction

    (from the southwest)

    Temperature (F)

    Present weather

    Visibility (mi)

    Dewpoint (F)

    Wind speed

    (1 knot = 1.15 mi/hr)

    12

    whole feather = 10 knotshalf feather = 5 knots

    total = 15 knots

    Station Model

    FreezingRain

    Haze

    Rain

    FogSnow

    Hail RainShowers

    Thunder-storms

    Drizzle

    Sleet

    Smog

    SnowShowers

    Air Masses

    cA

    cP

    cT

    mT

    mP

    continental arctic

    continental polar

    continental tropical

    maritime tropical

    maritime polar

    Cold

    Warm

    Stationary

    Occluded

    Present Weather Front Symbols Hurricane

    30.70

    30.60

    30.50

    30.40

    30.30

    30.20

    30.10

    30.00

    29.90

    29.80

    29.70

    29.60

    29.50

    29.40

    29.30

    29.20

    29.10

    29.00

    28.90

    28.80

    28.70

    28.60

    28.50

    1040.0

    1036.0

    1032.0

    1028.0

    1024.0

    1020.0

    1016.0

    1012.0

    1008.0

    1004.0

    1000.0

    996.0

    992.0

    988.0

    984.0

    980.0

    976.0

    972.0

    968.0

    oneatmosphere1013.2 mb

    Pressure

    millibars inches

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    30 N

    60 N

    60 S

    30 S

    0

    S.W.WINDS

    DRY

    DRY

    WET

    N.E.

    N.E.WINDS

    S.E.WINDS

    WET

    DRY

    WET

    DRY

    S.E.

    N.W.WINDS

    Polar Front

    Subtropical

    Jet Streams

    Tropopause

    Polar Front Jet Stream

    Polar Front Jet Stream

    Planetary Windand Moisture Beltsin the Troposphere

    km 150

    100

    50

    0

    75

    50

    25

    0

    mi

    Sea Level

    Altitude

    TemperatureZones

    Thermosphere

    Mesopause

    Mesosphere

    Stratopause

    Stratosphere

    TropopauseTroposphere

    Temperature (C)

    100 0 100

    90 55 15 104

    103

    102

    101

    100

    Pressure (atm)

    AtmosphericPressure

    0 20 40

    Concentration(g/m3)

    WaterVapor

    Decreasing Wavelength

    10010

    10

    4.0

    1

    05

    109

    108

    107

    106

    105

    104

    103

    102

    101

    101

    102

    103

    0.0

    00,0

    00,0

    00,1

    0.0

    00,0

    00,0

    01

    0.0

    00,0

    00,0

    1

    0.0

    00,0

    00,1

    0.0

    00,0

    01

    0.0

    00,0

    1

    0.0

    00,1

    0.0

    01

    0.0

    1

    0.1

    1.0

    10

    100

    1,0

    00

    cm

    cm

    Increasing Wavelength

    Gamma rays x rays

    Ultraviolet Infrared

    Visible

    Radio waves

    Microwaves

    Violet Blue Green Yellow Orange Red

    Visible Light

    4.3

    1

    05

    4.9

    1

    05

    5.3

    1

    05

    5.8

    1

    05

    6.3

    1

    05

    7.0

    1

    05

    Electromagnetic Spectrum

    The drawing to the left shows

    the locations of the belts near

    the time of an equinox. The

    locations shift somewhat with

    the changing latitude of the

    Suns vertical ray. In the

    Northern Hemisphere, the belts

    shift northward in summer and

    southward in winter.

    Selected Propertiesof Earths Atmosphere

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    SUN 27 days 1,392,000 333,000.00 1.4

    MERCURY 57.9 88 days 59 days 0.206 4,880 0.553 5.4 0

    VENUS 108.2 224.7 days 243 days 0.007 12,104 0.815 5.2 0

    EARTH 149.6 365.26 days 23 hr 0.017 12,756 1.00 5.5 156 min4 sec

    MARS 227.9 687 days 24 hr 0.093 6,787 0.1074 3.9 2

    37 min23 sec

    JUPITER 778.3 11.86 years 9 hr 0.048 142,800 317.896 1.3 16

    50 min30 sec

    SATURN 1,427 29.46 years 10 hr 0.056 120,000 95.185 0.7 1814 min

    URANUS 2,869 84.0 years 17 hr 0.047 51,800 14.537 1.2 2114 min

    NEPTUNE 4,496 164.8 years 16 hr 0.009 49,500 17.151 1.7 8

    EARTHS 149.6 27.3 days 27 days 0.055 3,476 0.0123 3.3

    MOON (0.386 from Earth) 8 hr

    Earth Science Reference Tables 2001 Edition (Revised November 2006) 1

    Object Mean Distance

    from Sun(millions of km)

    Period

    of

    Revolution

    Equatorial

    Diameter(km)

    Mass(Earth = 1)

    Eccentricity

    of

    Orbit

    Period

    of

    Rotation

    Density

    (g/cm3)

    Number

    of

    Moons

    Solar System Data

    RedDwarfs

    1,000,000

    10,000

    100

    1

    0.01

    0.0001

    20,000 10,000 5,000 2,500

    Red StarsYellow StarsWhite StarsBlue Stars

    Temperature (C)

    Luminosity(RelativetotheSun)

    SmallStars

    MassiveStars

    BlueSupergiants

    Rigel

    Supergiants

    Betelgeuse

    Aldebaran

    Red Giants

    MainSequence

    Alpha Centauri

    Sun

    White Dwarfs

    Sirius

    Color

    +

    +

    Procyon B+

    BarnardsStar

    ++

    Polaris+

    +

    +

    +

    Luminosity and Temperature of Stars(Name in italics refers to star shown by a + )

    Luminosity is the

    brightness of stars

    compared to the

    brightness of our

    Sun as seen from

    the same distance

    from the observer.

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    Properties of Common Minerals

    HARD- COMMON DISTINGUISHINGLUSTER NESS COLORS CHARACTERISTICS USE(S) MINERAL NAME COMPOSITION*

    black streak,greasy feel

    very dense (7.6 g/cm3),gray-black streak

    attracted by magnet,black streak

    green-black streak,cubic crystals

    red-brown streak

    greasy feel

    easily melted,may smell

    easily scratchedby fingernail

    flexible inthin sheets

    cubic cleavage,salty taste

    flexible inthin sheets

    bubbleswith acid

    bubbles with acidwhen powdered

    cleaves in

    4 directionscleaves in

    2 directions at 90

    cleaves at56 and 124

    cleaves in2 directions at 90

    cleaves in 2 directions,striations visible

    commonly light greenand granular

    glassy luster, may form

    hexagonal crystals

    glassy luster, often seen as redgrains in NYS metamorphic rocks

    Graphite

    Galena

    Magnetite

    Pyrite

    Hematite

    Talc

    Sulfur

    Gypsum

    Muscovite Mica

    Halite

    Biotite Mica

    Calcite

    Dolomite

    Fluorite

    Pyroxene(commonly Augite)

    Amphiboles(commonly Hornblende)

    Potassium Feldspar(Orthoclase)

    Plagioclase Feldspar(Na-Ca Feldspar)

    Olivine

    Quartz

    Garnet(commonly Almandine)

    silver togray

    metallicsilver

    black tosilver

    brassyyellow

    metallic silver orearthy red

    white togreen

    yellow toamber

    white topink or gray

    colorless toyellow

    colorless towhite

    black todark brown

    colorlessor variable

    colorlessor variable

    colorless or

    variable

    black todark green

    black todark green

    white topink

    white togray

    green togray or brown

    colorless or

    variable

    dark redto green

    pencil lead,lubricants

    ore oflead

    ore ofiron

    ore ofsulfur

    oreof iron

    talcum powder,soapstone

    vulcanize rubber,sulfuric acid

    plaster of parisand drywall

    electricalinsulator

    food additive,melts ice

    electricalinsulator

    cement,polarizing prisms

    source ofmagnesium

    hydrofluoric

    acid

    mineralcollections

    mineralcollections

    ceramicsand glass

    ceramicsand glass

    furnace bricksand jewelry

    glass, jewelry,

    and electronics

    jewelry andabrasives

    Nonm

    etallicLuster

    *Chemical Symbols: Al = aluminum Cl = chlorine H = hydrogen Na = sodium S = sulfur

    C = carbon F = fluorine K = potassium O = oxygen Si = silicon

    Ca = calcium Fe = iron Mg = magnesium Pb = lead Ti = titanium

    = dominant form of breakage

    C

    PbS

    Fe3O4

    FeS2

    Fe2O3

    Mg3Si4O10(OH)2

    S

    CaSO42H2O

    KAl3Si3O10(OH)2

    NaCl

    K(Mg,Fe)3AlSi3O10(OH)2

    CaCO3

    CaMg(CO3)2

    CaF2

    (Ca,Na) (Mg,Fe,Al)(Si,Al)2O6

    CaNa(Mg,Fe)4 (Al,Fe,Ti

    Si6O22(O,OH)2

    KAlSi3O8

    (Na,Ca)AlSi3O8

    (Fe,Mg)2SiO4

    SiO2

    Fe3Al2Si3O12

    12

    2.5

    5.56.5

    6.5

    16.5

    1

    2

    2

    22.5

    2.5

    2.53

    3

    3.5

    4

    56

    5.5

    6

    6

    6.5

    7

    7

    Metallic

    Luster

    Either

    CLEAVAGE

    FRACTURE

    (Selenite)