Ruby is a mineral form of

Options :
  1. Silicon Oxide
  2. Manganese Dioxide
  3. Beryllium Oxide
  4. Aluminium Oxide
Answer and Explanation :-

Answer: Option 4

Explanation:

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You don't get it, Clary. You don't understand what it's like to live always at war, to grow up with battle and sacrifice. I guess it's not your fault. It's just how you were brought up-
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