When buying cultured pearls, consumers must consider several quality characteristics that are very different from the four C’s of diamonds or gemstones. Nacre quality is very important. The nacre is the layers of protective coating – a pearly…
For the past 125 years, textbooks and museum displays have relied on the beauty of tiger’s eye to add interest to an often dry description of pseudomorphism, a term that simply means the replacement of one mineral by another while preserving…
Since the beginning of time, man has sought to improve upon nature. Pearls are no exception. The majority of today’s cultured pearls have undergone some form of processing or treatment after their removal from the mollusk. The only way to confidently…