Nesosilicates Quiz PDF

 **What is the defining structural characteristic of nesosilicates?** - A\) Double chains of silica tetrahedra - B\) Isolated silica tetrahedra - C\) Sheet-like arrangement of silica tetrahedra - D\) Three-dimensional framework of silica tetrahedra  **Which of the following minerals i...

 **What is the defining structural characteristic of nesosilicates?** - A\) Double chains of silica tetrahedra - B\) Isolated silica tetrahedra - C\) Sheet-like arrangement of silica tetrahedra - D\) Three-dimensional framework of silica tetrahedra  **Which of the following minerals is a nesosilicate?** - A\) Feldspar - B\) Quartz - C\) Olivine - D\) Muscovite  **Garnet, a common nesosilicate, is known for its typical shape. What shape do garnet crystals most commonly take?** - A\) Hexagonal prism - B\) Dodecahedron - C\) Cube - D\) Octahedron  **Which of these nesosilicates is typically green and commonly found in igneous rocks?** - A\) Topaz - B\) Olivine - C\) Zircon - D\) Kyanite  **In which type of crystal system does the nesosilicate mineral kyanite commonly form?** - A\) Cubic - B\) Hexagonal - C\) Monoclinic - D\) Triclinic  **Which nesosilicate is known for its high resistance to weathering and is often used in dating geological events?** - A\) Olivine - B\) Zircon - C\) Topaz - D\) Andalusite  **What is the chemical formula of the common nesosilicate mineral forsterite, a type of olivine?** - A\) Mg₂SiO₄ - B\) Al₂SiO₅ - C\) Ca₃Al₂(SiO₄)₃ - D\) Fe₂SiO₄  **Which mineral is a nesosilicate that changes form under different pressure and temperature conditions and is thus a polymorph?** - A\) Staurolite - B\) Kyanite - C\) Topaz - D\) Quartz  **In the context of nesosilicates, what does the term \"orthosilicate\" refer to?** - A\) Presence of silicate sheets - B\) Isolated SiO₄ tetrahedra - C\) A single chain of SiO₄ tetrahedra - D\) A double chain of SiO₄ tetrahedra  **Which of the following nesosilicates is typically found in metamorphic rocks and has diagnostic cross-shaped twinning?** - A\) Staurolite - B\) Zircon - C\) Kyanite - D\) Olivine