Tags: Chemical Substance, Mineral.
Boehmite or Böhmite is an aluminium oxide hydroxide (γ-AlO(OH)) mineral a component of the aluminium ore bauxite. It is dimorphous with diaspore. It crystallizes in the orthorhombic dipyramidal system and is typically massive in habit. It is white with tints of yellow green brown or red due to impurities. It has a vitreous to pearly luster a Mohs hardness of 3 to 3.5 and a specific gravity of 3.00 to 3.07.
