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Questions and Answers
What is the defining structural characteristic of nesosilicates?
What is the defining structural characteristic of nesosilicates?
Which nesosilicate is known for its high resistance to weathering and is often used in dating geological events?
Which nesosilicate is known for its high resistance to weathering and is often used in dating geological events?
Garnet, a common nesosilicate, is known for its typical shape. What shape do garnet crystals most commonly take?
Garnet, a common nesosilicate, is known for its typical shape. What shape do garnet crystals most commonly take?
In which type of crystal system does the nesosilicate mineral kyanite commonly form?
In which type of crystal system does the nesosilicate mineral kyanite commonly form?
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Which mineral is a nesosilicate that changes form under different pressure and temperature conditions and is thus a polymorph?
Which mineral is a nesosilicate that changes form under different pressure and temperature conditions and is thus a polymorph?
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Study Notes
Nesosilicates
- Defining structural characteristic: Isolated silica tetrahedra
- Examples of nesosilicates: Feldspar, Quartz, Olivine, Muscovite
- Garnet crystal shape: Dodecahedron
- Typical green nesosilicate in igneous rocks: Olivine
- Kyanite crystal system: Monoclinic
- Weathering-resistant nesosilicate used in dating: Olivine
Forsterite Chemical Formula
- Chemical formula of forsterite (a type of olivine): Mg2SiO4
Polymorph Mineral
- Mineral that changes form under different pressure and temperature conditions: Kyanite
Orthosilicate Definition
- Orthosilicate refers to isolated SiO4 tetrahedra
Metamorphic Rock Nesosilicate
- Nesosilicate found in metamorphic rocks with diagnostic cross-shaped twinning: Staurolite
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Description
Test your knowledge on nesosilicates, including their structural characteristics, examples, and specific minerals like forsterite and kyanite. This quiz covers both igneous and metamorphic rock types along with their properties and uses in geology. Challenge yourself and learn more about these fascinating minerals!
