Pearls

Before the days of cultured pearls, black pearls were rare and highly valued for the simple reason that white pearl oysters rarely produced naturally black pearls, and black pearl oysters rarely produced any natural pearls at all.

Black cultured pearls from the black pearl oyster – Pinctada margaritifera – are not South Sea pearls, although they are often mistakenly described as black South Sea pearls.

Tapioca pearls seeAlso Taro flavored bubble tea with tapioca pearls Tapioca pearls, also known as boba in some cultures, are produced by passing the moist starch through a sieve under pressure.

The black cultured pearl is rare when compared to Chinese freshwater cultured pearls, and Japanese and Chinese akoya cultured pearls, and is more valuable than these pearls.

I think that is what I must look for in my daily routine, being alert to the small joys strung together like pearls, pearls singled out in the grit and grind of the ordinary.

Statement pieces in the collection include a necklace with freshwater pearls and nearly one total carat of diamonds, and a bracelet with freshwater pearls and more than two total carats of diamonds.

Although imitation pearls look the part, they do not have the same weight or smoothness as real pearls, and their luster will also dim greatly.

At one time, tapioca pearls were used to starch clothes by boiling tapioca pearls with the clothes.

Colors of pearls Earrings and necklaces can also be classified on the grade of the color of the pearl: saltwater and freshwater pearls come in many different colors.

Cultured freshwater pearls can often be confused for natural pearls which present as homogeneous pictures which continuously darken toward the surface of the pearl.

Freshwater and saltwater pearls Freshwater and saltwater pearls may sometimes look quite similar, but they come from different sources.

Gemological identification A well-equipped gem testing laboratory can distinguish natural pearls from cultured pearls by using gemological X-ray equipment to examine the center of a pearl.

Imitation pearls are also widely sold in inexpensive jewelry, but the quality of their iridescence is usually very poor and is easily distinguished from that of genuine pearls.

Imitation pearls are completely smooth, but natural and cultured pearls are composed of nacre platelets, making both feel slightly gritty.

In addition, pearls (especially cultured freshwater pearls ) can be dyed yellow, green, blue, brown, pink, purple, or black.

In a uniform strand of pearls, all pearls are classified as the same size, but actually fall in a range.

In cultured pearls, the irritant is typically an introduced piece of the mantle epithelium, with or without a spherical bead (beaded or beadless cultured pearls).

In the absence of an official definition for the pearl from the black oyster, these pearls are usually referred to as "black pearls".

Larger tapioca pearls (波霸/黑珍珠) were adapted and quickly replaced the small pearls.

Many hundreds of pearl oysters or mussels must be gathered and opened, and thus killed, to find even one wild pearl; for many centuries, this was the only way pearls were obtained, and why pearls fetched such extraordinary prices in the past.