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Things arent always as they appear. This is particularly so for the pearl and the melo melo pearl, two forms of gemstones that arent actually pearls at all. Complicated? Yes, as these pearls resemble true pearls in more ways than one. The melo melo and the pearl are unusual normal gems manufactured in marine animals; are used to produce beautiful jewelry, and are referred to as pearls; look like pearls. So why arent they pearls? And if they arent correct pearls than what the heck are they? Non-nacreous pearls Curiously, not all pearls are constructed of nacre, the mix of aragonite calcium carbonate and conchiolin that is released from a mollusk and layered together to form what scientists call a pearl. Some marine animals, like the melo melo beach snail and the Queen conch, make gorgeous jewels composed of non-nacreous calcium carbonate. Calcite, rather than aragonite, is the primary material here. This material, incidentally, is considered similar to the stuff provides kidney stones in humans. Simply because they are non-nacreous, the conch pearl and the melo melo pearl are not considered true pearls by gemologists. Alternatively, they are categorized as calcareous concretions and called pearls. To get more information, you might choose to check out: Note : Finding Out A Quick Guide to Wholesale Cubic Zirconia. Notice the quotation marks surrounding the word treasure. That punctuation can be used to signify that the diamond is not a real, nacreous gem. Conch pearls Conch pearls are normal treasures present in the Queen conch, Strombus gigas, a lovely marine animal prized for its stunning shell and succulent meat. Walk into any common Caribbean eatery and youre more likely to find a variety of conch chowder and conch fritters to the selection. Note: Make sure to pronounce it correctly: conk, or you might get conched over the head. The official symbol of the Bahamas and the Florida Keys, the Queen conch is fished in the warm, shallow waters of the Caribbean where it lives. The pearls are a result found by fisherman once the shell and meat are prepared. Get additional resources about more information by browsing our rousing article directory. Usually oval or baroque and significantly less than 3mm in diameteralthough much bigger ones can be foundthe porcelain-shiny conch pearls display the same colors as can be on the animals layer interior: pink, tan, yellow, and white. A beautiful shade of salmon-pink typically requires the best value and could be the most popular color. A significant feature of conch pearls, but one that not all specimens show, is flaming, or chatoyancy. Because of the way the pearls levels are structured called a silk-like or wet cotton appear-ance and usually only present on the pink pearls, flaming occurs. Unlike pearls formed with nacreous crystals, conch pearls are formed by concentric layers of fibrous crystals. The fire effect can be an optical illusion that results from this layered design. An extremely desirable trait, relationship structure on a pearl will get more money when compared to a pearl without this trait. Like true pearls, conch pearls are thought to be produced by the pet being a protective measure against a thief. Although many efforts are underway, attempts to culture conch pearls, however, have been unsuccessful. Due to historical overfishing, the Queen conch is now secured in the Florida Keys, though the animal is fished in other areas of the Caribbean. When prepared, the Queen conch does not always have a pearl; in reality such pearls are extremely rare. Based on the Gemological Institute of America, just one in 10,000 Queen conch shells includes a pearl; increasing their charm, not many of the are gem quality. A relative newcomer to the world of decorative jewelry, the treasure was very-much in style in Victorian-era baubles, but dropped from favor for a time. Conch pearls are again enjoying a rise in popularity, to-day. Anyone considering jewelry made with a pearl must be aware that the color of the jewels fades over-time. While scientists are unsure why, some postulate that it has related to ultraviolet rays wearing down the normal tones, while even in dark places, the jewels will eventually fade. Age, heat and contamination will also be thought to factor in to the pearls falling. Conch pearls must be worn only occasionally, and it is advisable to reduce their time in the sun. Melo Melo pearls The South China Sea, the Pilippines, India and the Andaman Sea are home to some large orangey-brown gastropod named the melo melo sea snail. Just like the Queen conch, this beautiful marine animal having its oversize scrolled cover can make vibrant non-nacreous pearls. Ranging in color from color to yellow to red, these very scarce calcareous concretions are generally quite large and generally round. Hit this link this page is not affiliated to research how to ponder this idea. Its theorized the animals ability to produce pearls of such significant shapes is because of its vast shell opening. Actually, one distinctive melo melo pearl weighed-in at 397.52 carats and was considered very nearly the size of a tennis ball. The desirable orange-colored melo melo pearl may demonstrate intense relationship design, a very desirable trait, although, like the conch pearls, the brilliant color may fade over time. Based on the Gemological Institute of America, as in nacreous pearl creation, the very rare melo melo pearl is almost certainly the consequence of an intruderin this case believed to be established when the gastropods large base is worried by an irritant. Boffins arent totally sure of this idea, however. Modern among Asians, melo melos are merely now being appreciated by Western countries. Like conch pearls, attempts to culture melo melo jewels have been lost, thus, like pearls, the melo melo pearls available on the market are rare and normal, and of course, high priced..