2.2-2.65kg Rare Purple Alunite Crystal Mineral Specimen Point Reiki Healing+

           Size(Approx):220*90*75-250*109*87mm 

     Weight(Approx):2.2-2.65kg   (1lb=453.6g) 

 Colour:   As shown in figure

  Origin: United States

Alum, also known as white peony, potassium strontium, potassium aluminum strontium, potassium alum, is a double salt of potassium sulphate and aluminum sulphate containing crystal water.
Alum is widely used in the pharmaceutical, food and chemical industries.