When a Mineral Fractures Along a Cleavage Plane, What Does

question 108

Multiple Choice

When a mineral fractures along a cleavage plane, what does this suggest about the crystal structure of the mineral?

• A) The crystal grows only planar faces that become weak zones that form cleavage.
• B) The crystal contains warped planes called twin planes that weaken the crystal structure and allow it fracture along a planar surface, causing cleavage.
• C) The atoms are arranged in a simple orderly arrangement with uniform bonding.
• D) The crystal structure contains planes along which chemical bonding is much weaker than other directions.

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Definitions:

Mediation

A form of alternative dispute resolution where a neutral third party helps disputing parties find a mutually satisfactory resolution.

Counterclaim

A legal claim brought against the plaintiff by the defendant, typically in response to the original lawsuit.

Affirmative Defense

A defense in which the defendant introduces evidence, which, if found to be credible, will negate criminal or civil liability, even if it is proven that the defendant committed the alleged acts.

Plaintiff

The party who initiates a lawsuit by filing a complaint with the court.