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Mineralogy > Phyllosilicates > Flashcards

Phyllosilicates Flashcards

1
Q

aPhyllosilicates General Formula

A

(Si2O5)-2

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2
Q

Phyllosilicates came from the Greek word?

A

Phyllon

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3
Q

Phyllon meaning?

A

Leaf-like texture

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4
Q

Phyllosilicates are also known as?

A

Sheet Silicates

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5
Q

Made up of tetrahedral rings and slanted octahedral

A

Sheets

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6
Q

Phyllosilicates are mostly _____ bearing.

A

Hydroxyl Bearing

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7
Q

Sheets consist of ?

A

Tetrahedral Sheet and Octahedral Sheet

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8
Q

Sheet of SiO4 all in the same orientation, Si2O5

A

Tetrahedral Sheet

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9
Q

Octahedral Layers are negatively charged due to the?

A

Isomorphous Substitution of Cations

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10
Q

An aluminum hydroxide mineral with the chemical formula Al(OH)3

A

Gibbsite

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11
Q

Al Dominated

A

Dioctahedral Sheet

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12
Q

Mg Dominated

A

Trioctahedral Sheet

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13
Q

A magnesium hydroxide mineral with the chemical formula MG(OH)3

A

Brucite

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14
Q

The process of hydrothermal alteration that transforms Fe-Mg silicates contained in ultramafic rocks into serpentine minerals.

A

Serpentinization

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15
Q

5 Serpentine Minerals

A

Amesite
Chrysocolla
Lizardite
Antigorite
Chrysotile

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16
Q

Categorized under the Clastic Sedimentary Rock, are made up of layered structures of fine-grained minerals.

A

Clay Minerals

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17
Q

One of the most ancient mineral substances used by mankind.

A

Clay

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18
Q

Clays are excellent_____

A

Adsorbents

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19
Q

Clay can be used in various industries such as?

A

Construction
Agriculture
Ceramics
Drilling

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20
Q

A special type of polymorphism that is usually used to describe the variation of structures and sequences in layer materials.

A

Polytypism

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21
Q

What is the only way to differentiate clay minerals / sedimentary rocks from each other?

A

X-ray Diffraction

22
Q

Refers to the process by which minerals form within sediments and sedimentary rocks

A

Authigenesis

23
Q

Clay Minerals

A

Talc
Pyrophyllite
Kaolinite

24
Q

Classified as 1:1 clay, also considered as the purest of all clays

A

Kaolinite Group

25
Q

Kaolinite is generally used in?

A

Ceramic Industry

26
Q

Classified as 2:1 swelling clay, Van der Waals bonding

A

Smectite Group

27
Q

Smectite generally used in?

A

Wastewater management, textile industry

28
Q

Minerals under Smectite Group

A

Montmorillonite
Vermiculite

29
Q

Classified as a 2:1 non swelling clay, mica-like clay mineral

A

Illite Group

30
Q

What substitution occur in the Illite Group?

A

Isomorphous Substitution

31
Q

Exhibit a two-dimensional sheer or layer structure

A

Mica Minerals

32
Q

Mica minerals are fairly ____ and relatively _____

A

light and soft

33
Q

Mica Minerals use in the industry

A

Drywalls
Paints
Fillers
Roofing

34
Q

Mica Minerals

A

Biotite
Muscovite
Margarite
Lepidolite
Phlogopite
Glauconite

35
Q

Exhibit a 2:1:1 structural layer and distinguished by their green color.

A

Chlorite Group

36
Q

Minerals under Chlorite Group

A

Chamosite
Clinochlore

37
Q

Other Minerals

A

Armstrongite
Apophyllite
Carletonite
Dalyite

38
Q

Alias of Talc

A

Soapstone

39
Q

Variety of Pyrophyllite

A

Cattle Egg Stone

40
Q

China Clay

A

Kaolinite

41
Q

Rarest Kaolinite minerl

A

Nacrite

42
Q

Hollow tubular morphology

A

Halloysite

43
Q

Black cotton soil

A

Montmorillonite

44
Q

Variety of Montmorillonite

A

Batrachite

45
Q

Variety of vermiculite

A

Eastonite

46
Q

Alias of Illite

A

Hydromica

47
Q

Black mica

A

Biotite

48
Q

Potash mica

A

Muscovite

49
Q

Pearl MIca

A

Margarite

50
Q

Magnesium Mica

A

Phlogopite

51
Q

Laminar Shape

A

Chamosite

52
Q
A

Mineralogy (19 decks)

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