Allochromatic gems are gems that happen to be colored by impurities. Whenever they ended up fully pure, they'd be colorless. The colour of all allochromatic gems is produced by defects. Thus, all colour in corundum is a result of defects. After lighting an incense adhere before the gemstone the mantra https://thebookmarkking.com/story18066644/not-known-facts-about-sri-lankan-pukhraj