Identify the mineral of aluminium from following

Identify the mineral of aluminium from following
  1. Diaspore
  2. Limonite
  3. Azurite
  4. Chalcopyrite

Solution

Diaspore, also known as diasporite, empholite, kayserite, or tanatarite, is an aluminium oxide hydroxide mineral, a-AlO, crystallizing in the orthorhombic system and isomorphous with goethite.

Asked in: MHT CET 2020 (13 Oct Shift 2)

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