Consider muscovite in Table 6.4 below. 1. What is the Al, Si layer's charge per moth? Per kg? 2. Is muscovite a cation exchanger? Consider illite in Table 6.4. What are the differences/similarities between illite and other clay minerals for x=1? For x=0 ?

Applications and Investigations in Earth Science (9th Edition)
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ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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Chapter1: The Study Of Minerals
Section: Chapter Questions
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Consider muscovite in Table 6.4 below. 1. What is the Al, Si layer's charge per moth? Per kg? 2. Is muscovite a cation exchanger? Consider illite in Table 6.4. What are the differences/similarities between illite and other clay minerals for x=1? For x=0 ?
Mica minerals
a. Kaolinites-serpentines:
b. Talcs:
c. Micas:
d. Chlorites:
Clay minerals
a. Illites:
b. Smectites:
c. Vermiculites:
Table 6.4 Soil minerals: Sheet silicates
Substances that
Kaolinite
Serpentine
Pyrophyllite
Talc
Muscovite
Phlogopite
Chlorite
Al4 [Si4010](OH)8
Mg, [Si4010](OH)8
Al₂[Si₂O₁0](OH)2
Mg, [Si₂O₁0](OH)₂
KAI, [Si,AlO₁0](OH)₂
KMg, [Si, AlO₁0](OH)2
Mg, (OH), Mg, [Si4010](OH)₂
Illite
K₁-Al₂[Si Al₁_0₁0](OH)₂-(H₂O),
Montmorillonite Na_Al₂[(Si, Al)40₁0](OH)₂ (H₂O),
Vermiculite
Mg Mg[(Si, Al)4010](OH)₂ (H₂O),
Amorphous clay minerals
Allophane, imogolite
This group consists of amorphous silicates with a significant ion-exchange capacity
Only a few representative examples are given for each group of minerals.
Transcribed Image Text:Mica minerals a. Kaolinites-serpentines: b. Talcs: c. Micas: d. Chlorites: Clay minerals a. Illites: b. Smectites: c. Vermiculites: Table 6.4 Soil minerals: Sheet silicates Substances that Kaolinite Serpentine Pyrophyllite Talc Muscovite Phlogopite Chlorite Al4 [Si4010](OH)8 Mg, [Si4010](OH)8 Al₂[Si₂O₁0](OH)2 Mg, [Si₂O₁0](OH)₂ KAI, [Si,AlO₁0](OH)₂ KMg, [Si, AlO₁0](OH)2 Mg, (OH), Mg, [Si4010](OH)₂ Illite K₁-Al₂[Si Al₁_0₁0](OH)₂-(H₂O), Montmorillonite Na_Al₂[(Si, Al)40₁0](OH)₂ (H₂O), Vermiculite Mg Mg[(Si, Al)4010](OH)₂ (H₂O), Amorphous clay minerals Allophane, imogolite This group consists of amorphous silicates with a significant ion-exchange capacity Only a few representative examples are given for each group of minerals.
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