Manik stone, popularly called as Rubym, is basically a red purple colored gemstone. However, it is not the only natural hue form that it is found in. It is also found in various other shades of crimson and scarlet red colors of pink, deep violet, etc. However, amongst all these forms, the one found in rose color is considered to be the best and finest. Scientifically, it is a mineral, and a mixture of aluminum, chromium, oxygen, and iron.