Allochromatic gems are gems which are colored by impurities. If they were completely pure, they might be colorless. The color of all allochromatic gems is produced by defects. Thus, all color in corundum is brought on by defects. Clarity: Clarity is an additional noteworthy aspect that refers to the existence https://pr6bookmark.com/story18246555/new-step-by-step-map-for-natural-pukhraj-from-sri-lanka