Which of the following minerals has a sheet-like structure?
Quartz
Olivine
Feldspar
Muscovite
Muscovite is a member of the mica group, which has a sheet-like structure. The basic structural unit of mica consists of two sheets of tetrahedra sandwiching a sheet of metal ions
Incorrect options
a) Quartz is a network-forming silicate mineral that has a 3-dimensional framework structure.
b) Olivine is a group of silicate minerals that have a different structural unit consisting of isolated tetrahedra.
c) Feldspar is a group of silicate minerals that have a 3-dimensional framework structure, but with a different arrangement of tetrahedra compared to quartz