Small, Parallel Grooves (Twinning Striations)are Visible on Cleavage Surfaces and Characteristic

question 82

Multiple Choice

Small, parallel grooves (twinning striations) are visible on cleavage surfaces and characteristic of which mineral?

• A)olivine
• B)quartz
• C)plagioclase feldspar
• D)hornblende

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Definitions:

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False beliefs held with strong conviction despite superior evidence to the contrary, often as a symptom of psychiatric disorders.

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The elected head of a republican state or a person who presides over an organization, company, or board.

King

A male monarch or the highest-ranking ruler of a sovereign state traditionally inherited by birthright.