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Silicate Mineral Classification Quiz

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Questions and Answers

What do independent tetrahedra share?

Three oxygens

No oxygens (correct)

All four oxygens

Two oxygens

What is an example of independent tetrahedra?

Garnet

How do single chain tetrahedra link together?

By sharing two oxygens (correct)

By sharing three oxygens

By sharing one oxygen

By sharing no oxygens

What is an example of single chains?

Pyroxenes Signup and view all the answers

How do double chain tetrahedra link together?

By sharing two or three oxygen atoms Signup and view all the answers

What is an example of double chains?

Amphiboles Signup and view all the answers

How do sheet silicates share oxygen atoms?

By sharing three oxygens Signup and view all the answers

What are two examples of sheet silicates?

Micas and Clays Signup and view all the answers

How do framework silicates share oxygen atoms?

By sharing all four oxygens Signup and view all the answers

What are two examples of framework silicates?

Quartz and Feldspar Signup and view all the answers

Study Notes

Silicate Mineral Classification

Independent Tetrahedra: Tetrahedra that do not share any oxygen atoms; connected through cations.
Single Chains: Tetrahedra link in a chain formation by sharing two oxygen atoms.
Double Chains: Tetrahedra form interconnected chains sharing two or three oxygen atoms.
Sheet Silicates: Tetrahedra share three oxygen atoms, creating layered structures.
Framework Silicates: Tetrahedra share all four oxygen atoms, resulting in a three-dimensional framework.

Examples of Silicates

Independent Tetrahedra: Represented by the mineral garnet.
Single Chains: Characterized by pyroxenes, important rock-forming minerals.
Double Chains: Found in amphiboles, which are significant in igneous and metamorphic rocks.
Sheet Silicates: Comprising micas and clays, commonly found in sedimentary environments.
Framework Silicates: Includes quartz and feldspar, essential minerals in many geological processes.

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Description

Test your knowledge on the classification of silicate minerals. This quiz covers the different types of silicates including independent tetrahedra, single chains, double chains, sheet silicates, and framework silicates. Additionally, find out about examples and their significance in geology.