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Earth, Atmospheric, and Planetary Sciences
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Structure of Earth Materials
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Image Gallery: Lab 3
Image Gallery: Lab 3
Single Chain Ino-Silicates (Pyroxenes)
(Clinopyroxene)
Spodumene:
LiAlSi
2
O
6
.
(Orthopyroxene)
Enstatite:
Mg
2
Si
2
O
6
.
(Clinopyroxene)
Diopside.
(Clinopyroxene)
Diopside.
(Pyroxenoid)
Wollastonite:
Ca
3
Si
3
O
9
.
(Pyroxenoid)
Wollastonite:
Ca
3
Si
3
O
10
.
(Pyroxenoid)
Rhodonite:
Mn
5
Si
5
O
15
.
(Pyroxenoid)
Rhodonite:
Mn
5
Si
5
O
16
.
Double Chain Ino-Silicates (Amphiboles)
Hornblende:
(Na,Ca)
2
(Mg,Fe,Al)
5
(Al,Si)
8
O
22
(OH)
2
.
Anthophyllite:
(Mg,Fe)
7
Si
8
O
22
(OH)
2
.
Tremolite:
Ca
2
Mg
5
Si
8
O
22
(OH)
2
.
Tremolite:
Ca
2
Mg
5
Si
8
O
22
(OH)
3
.
Actinolite:
Ca
2
(Mg,Fe)
5
Si
8
O
22
(OH)
2
.
Phyllosilicates
Serpentine:
Mg
3
Si
2
O
5
(OH)
4
.
Serpentine:
Mg
3
Si
2
O
5
(OH)
5
.
Serpentine:
Mg
3
Si
2
O
5
(OH)
6
.
Muscovite:
KAl
2
AlSi
3
O
10
(OH)
2
.
Muscovite:
KAl
2
AlSi
3
O
10
(OH)
3
.
Biotite:
K(Mg,Fe)
3
(AlSi
3
O
10
)(OH)
2
.
Biotite:
K(Mg,Fe)
3
(AlSi
3
O
10
)(OH)
3
.
Lepidolite:
K(Li,Al)
2-3
(AlSi
3
O
10
)(OH)
2
.
Talc:
Mg
3
Si
4
O
10
(OH)
2
.
Tectosilicates
Quartz:
SiO
2
.
Quartz:
SiO
2
.
Quartz:
SiO
2
.
(Plagioclase Feldspar)
Albite:
NaAlSi
3
O
8
.
(Plagioclase Feldspar)
Anorthite:
CaAl
2
Si
2
O
8
.
K-Feldspar:
KAlSi
3
O
8
.
K-Feldspar:
KAlSi
3
O
9
.
K-Feldspar:
KAlSi
3
O
10
.
(Feldspathoid)
Leucite:
KAlSi
2
O
6
.
(Feldspathoid)
Sodalite:
Na
8
(AlSiO
4
)
6
Cl
2
and (Feldspathoid)
Nepheline:
(Na,K)AlSiO
4
.