Machine-translated by Google. Questions are authored in English.
Top

Discussion

Garnet is notable among the common silicates for having

  • A.a hardness below that of a knife blade
  • B.no cleavage and high hardness
  • C.perfect basal cleavage
  • D.two cleavages at ninety degrees

Answer: B

Its isolated tetrahedra are bonded through cations in a compact structure with no plane of weakness, giving a hardness of 7 or more. Its toughness and hardness are why it is used as an abrasive and in waterjet cutting.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.