Allochromatic gems are gems which are colored by impurities. Should they were being completely pure, they might be colorless. The color of all allochromatic gems is produced by defects. Hence, all coloration in corundum is attributable to defects. Clarity: Clarity is yet another noteworthy variable that refers to the presence https://infopagex.com/story3303010/new-step-by-step-map-for-buy-sri-lanka-pukhraj-in-india