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Author Question: Which of the following minerals has good cleavage in two directions, which creates a ... (Read 145 times)

jilianpiloj

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on: Jul 16, 2018
Which of the following minerals has good cleavage in two directions, which creates a rectangular-shaped crystal?
 
  A) Halite
  B) Quartz
  C) Plagioclase
  D) Biotite

Question 2

Conchoidal fractures are indicative of the mineral ________.
 
  A) muscovite
  B) quartz
  C) fluorite
  D) pyroxene


gasdhashg

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


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