rock forming minerals and types of rocks

1. Page: 1
Slide No. 1
Rock Forming
Minerals

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Slide No. 2
yratnemides
igneous
of rocks
sepyt3eraerehT
metamorphic

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Slide No. 3
Quartz SiO
crystalmetamorphic, igneous
sedimentary
2
)
,ratrom,enotsmegasadesu
etihwotraelc
erutcarfladiohcnoc
7(ssendrah
,sutarappacifitneics
yrtsudnicinortcele
South Carolina
Sand
important:

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Slide No. 4
microcline
albite
Feldspar
igneous,
cleavage
hardness (<7)
white to pink
ceramics, ornamental
metamorphic
sedimentary (clastic)
,
(Na,K,Ca)(Al)Si2O8
Group
important:

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Slide No. 5
Tremolite
Ca
2
(Mg,Fe,Al)
5
(Al,Si)8O22 (OH)2
vage (56 and 124 )
green to black
o oleac
Actinolite
igneous, metamorphic
hornblende(
some forms are used as
asbe toss
Amphibole Group
most commo )n
important:

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Slide No. 6
Pyroxene
(Mg,Fe)2 SiO
4
(Ca,Na)(Mg,Fe,Al)(Al,Si)2O
6
hedenbergite
Group
igneous metamorphic,
(augite most common)
cleavage (87 and 93 )
short prisms
dark
used as specimens, some gemstones
o o
important:

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Slide No. 7
Mica
g,
repapllaw,tnacirbul
a nifoorperif,lcirtcelenidesu
kcalbotraelc
elbixelfsteehsniht
egavaelctcefrep
K(Fe,Mg,A )l A3 lSi3 O1 (F0 ,OH)
2
Group
muscovite
etamorphic, igneous
accessory: sedimentary
lepi olited
important: m

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Slide No. 8
green
conchoidal fracture
vitreous look
some used as a gem,
abrasives.
Olivine (Mg,Fe)
2SiO4
important: igneous

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Slide No. 9
CaCO3Calcite
sedimentary
metamorphic
mportanti :
Dolomite CaMgCO3
rhombohedral crystals
effervesces with acid
used in manufacture of cement,
fertilizer

10. Page: 10
Slide No. 10
minerals by chemical group, name
U.S. Geological Survey, minerals in U.S.
Link to all state geological surveys
http://www.kgs.ukans.edu/AASG
http://minerals.er.usgs.gov/minerals
mocs.rieeallgl.raenmi//:ptth
Web Sites of Interest