5.7-6.6LB Rare Purple Alunite Crystal Mineral Specimen Point Reiki Healing

     Weight(Approx):2.6-3kg   (1lb=453.6g) 

 Colour:   As shown in figure

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.