However they can be produced in varying shapes and a range of pastel colours.
Two kinds of pearls.
Many of these are white and generally resemble the akoya pearl in both size and shape.
The history of freshwater pearl cultivation can be traced back to the 13th century when the earliest blister pearls were.
Size large pearls are extremely rare and with sizes up to 20mm south sea pearls stand out from all the other types of pearls.
The main types of pearls.
These types of pearls are generally grown in rivers ponds and lakes and predominantly in china.
The main thing to understand is the different types of pearls and proper pearl maintenance.
Those produced in fresh water and those grown in salt water.
There are distinct differences between these two types with saltwater pearls generally considered the superior of the two.
All pearls can be categorized into two main types freshwater or saltwater.
The following is an explanation of five common pearl types that jewelers carry and how you can keep them in good condition.
For detailed information read our article on saltwater vs.
Freshwater pearls are commonly grown inside the hyriopsis cumingii mollusc also known as the triangle mussel in rivers lakes or ponds.