The difference of the pearl's color

Every one is familiar with pearls, is most favored by women. When we pick up the topic of pearl, the round white pearl is the first one coming into our mind. In fact, there are various of pearls in the word. Here I will introduce something about pearl.
Freshwater pearl and seawater pearl are the two main types of pearl. we usually culture freshwater pearls in freshwater mussels in lakes, rivers, creeks, or ponds. Its shape are often irregular ,but can have a wide range of colors. We usually culture saltwater pearls- in salt water oysters in a bay, ocean, gulf, or sea.
The colors are closely associated with the environment what the pearls are produced. A living organism is the environment that a natural gem created. Pink pearls may be caused by one or more of a number of factors including the type of oyster or mussel – freshwater mussels in particular produce many pink pearls – or the environment that they are grown in – minerals in the water will affect the color. We all know what a pearl is. I want to tell you some dealers might day pearl into a beautiful color to make more profit.
The color is one of the most important factor which will effect the quality of pearls So you should be careful when you choose pearl as gift.