Phyllosilicates (2:5) Flashcards by Ziah 28

Q

Phyllosilicate groups

A

serpentine group
clay minerals group
mica group
chlorite group

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Q

serpentine group

A

antigorite
chrysotile
lizardite

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Q

antigorite

A

monoclinic; Mg3Si2O5(OH)4

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Q

chrysotile

A

monoclinic; Mg3Si2O5(OH)4

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Q

lizardite

A

hexagonal; Mg3Si2O5(OH)4

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Q

clay mineral group

A

talc
pyrophillite
kaolinite
dickite
nacrite
halloysite

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Q

talc

A

triclinic; Mg3Si4O10(OH)2

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Q

pyrophillite

A

tricilinic; Al2Si4O10(OH)2

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Q

kaolinite

A

triclinic; Al2Si2O5(OH)4

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Q

dickite

A

monoclinic; Al2Si2O5(OH)4

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Q

nacrite

A

monoclinic; Al2Si2O5(OH)4

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Q

halloysite

A

monoclinic; Al2Si2O5(OH)4

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Q

chlorite group

A

chamosite
cookeite
clinochlore

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Q

chamosite

A

monoclinic; Fe5Al(Si,AL)4O10(OH)8

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Q

cookeite

A

monoclinic; LiAl4 (Si3,Al)O10 (OH)8

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Q

clinochlore

A

monoclinic, Mg5Al(AlSi3O10) (OH)8

Q

mica group

A

muscovite
biotite
phlogophite
lepidolite
margarite
fuchsite
paragonite

Q

muscovite

A

monoclinic, KAl2(AlSi3O10)(OH)2

Q

biotite

A

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

Q

phlogophite

A

monoclinic, KMg3(AlSi3O10)(OH)2

Q

lepidolite

A

monoclinic, K(Li,Al)2-3(AlSi3O10)(OH)2

Q

margarite

A

monoclinic, CaAl2(AlSi3O10)(OH)2

Q

fuchsite

A

monoclinic, KCr2(AlSi3O10)(OH)2

Q

Paragonite

A

monoclinic, NaAl2(AlSi3O10)(OH)2

Q

montmorillonite

A