Cyanite (AI²SiO³), quartz (SiO2), and leucite (KAISI²06) may be grouped together because they all
contain
-
F
aluminum
G carbon
H potassium
J silicon
Mohs Hardness Sca



Answer :

Final answer:

Cyanite, quartz, and leucite are grouped together because they all contain silicon in their chemical composition.


Explanation:

Silicon is the common element shared by cyanite (Al²SiO³), quartz (SiO₂), and leucite (KAISI²06). These minerals are grouped together because they all contain silicon in their chemical composition. Quartz and cyanite are examples of nesosilicates, while leucite belongs to the tectosilicates group.


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