Mm Size: Most of the size of the black pearl of Tahiti between nine and 12. Millimeters rare and more valuable the black pearl size between 12 and 18. Now, could only ask the person showing the pearls for your micrometer to know exactly how big is the black pearl you are viewing.
Form: There are five categories of forms of black pearl.
Round: a perfectly round ball
Semi-round: slightly imperfect in form
Semi-baroque, pear-shaped, teardrop, oval or button
Baroque: irregular shaped non-symmetry
Circle: characteristic bands around the black pearl
Quality: This is a difficult category. Look for surface imperfections and highlights, a bright and sparkling, and the ability to reflect light. Quality of surface divided into four sub-categories:
* A - one or more visible imperfections on less than 10 percent of the area, with notable Luster.
* B - visible imperfections on less than 33 percent of the surface, with a reasonable brightness or scheduled.
* C - visible imperfections less than two thirds of the surface with regular brightness.
* D - visible imperfections on more than two thirds of the surface with a dull glow.
Natural Color: black pearl come in various colors. The most common is black or gray. Color tone may come in shades of blue as the moon, silver, gold, gray, pink, the colors of the most valuable comes in shades of peacock green, eggplant and rainbow.
Thursday 10 December 2009
Friday 27 November 2009
More information about black pearl
1. Why Black Pearl "black"?
"Black" Pearl was most often of different colors, with steel gray metallic color became more common. Completely natural pearl color and is given by the oysters, which produces a dark, multicolored mother-of-pearl secretions.
2. Is there a natural pearl Black?
Natural (uncultivated), black pearl are still happens very rarely, about one in every 10,000 oysters. It is illegal to dive for oysters in order to seek a natural pearl, because natural populations will be depleted quickly.
3. How long does it take for a culture that Black Pearl?
Graft harvest of black pearl, a period of 18 to 24 months required to achieve the desired thickness (1.5 mm and above) of the mother-of-pearl around the nucleus.
4. Is it only produce black pearl in Tahiti?
First, the Black Pearl are produced in French Polynesia to mid 60's long before any other neighboring islands. However, Cook Islands, Kiribati and now produces about 3% of world supply.
5. Why Black Pearl is much larger than white pearls?
Oyster that produces the Black Pearl can grow to 12 inches in diameter (and weighing 10 pounds), a difference of 3 inches for the "Akoya oyster that produces white pearls, which allows more central to be planted. Furthermore, when a crop Pearl White is only 5 to 6 months.
6. What criteria determine the value of the Black Pearl?
The main criteria are size, shape, surface quality, brightness and color. The most expensive pearls are rarely colored, large, round, free of surface imperfections and very lustered.
7. What color is the most convenient?
No one color is more desirable because the color choice is a personal decision. However, some unusual colors seem very popular. Among these is the famous "Peacock" color, which is a combination of green and purple eggplant.
8. How Black Pearl evaluated based on the quality of the surface?
Black Pearls are assessed by the quality of the surface (regardless of the shape and size) using a scale from A to D. "A" grade will pearl small imperfections in the limited area in less than 10% of the total area, a class "B", less than one third, "Grade C", less than two thirds and a "D Grade "more than two thirds of the surface of the Black Pearl will have a small imperfection.
"Black" Pearl was most often of different colors, with steel gray metallic color became more common. Completely natural pearl color and is given by the oysters, which produces a dark, multicolored mother-of-pearl secretions.
2. Is there a natural pearl Black?
Natural (uncultivated), black pearl are still happens very rarely, about one in every 10,000 oysters. It is illegal to dive for oysters in order to seek a natural pearl, because natural populations will be depleted quickly.
3. How long does it take for a culture that Black Pearl?
Graft harvest of black pearl, a period of 18 to 24 months required to achieve the desired thickness (1.5 mm and above) of the mother-of-pearl around the nucleus.
4. Is it only produce black pearl in Tahiti?
First, the Black Pearl are produced in French Polynesia to mid 60's long before any other neighboring islands. However, Cook Islands, Kiribati and now produces about 3% of world supply.
5. Why Black Pearl is much larger than white pearls?
Oyster that produces the Black Pearl can grow to 12 inches in diameter (and weighing 10 pounds), a difference of 3 inches for the "Akoya oyster that produces white pearls, which allows more central to be planted. Furthermore, when a crop Pearl White is only 5 to 6 months.
6. What criteria determine the value of the Black Pearl?
The main criteria are size, shape, surface quality, brightness and color. The most expensive pearls are rarely colored, large, round, free of surface imperfections and very lustered.
7. What color is the most convenient?
No one color is more desirable because the color choice is a personal decision. However, some unusual colors seem very popular. Among these is the famous "Peacock" color, which is a combination of green and purple eggplant.
8. How Black Pearl evaluated based on the quality of the surface?
Black Pearls are assessed by the quality of the surface (regardless of the shape and size) using a scale from A to D. "A" grade will pearl small imperfections in the limited area in less than 10% of the total area, a class "B", less than one third, "Grade C", less than two thirds and a "D Grade "more than two thirds of the surface of the Black Pearl will have a small imperfection.
History of black pearl jewelry
Black pearl
About 1845, the black pearl that comes on the market Tuamotu Archipelago and South Sea islands, and raised the industry on the coast of Mexico. Pearls of the region is famous for the variety of colors, and especially for very dark tones pearl, black pearl or greenish black pearl to be very important.
But the black pearl in the fashion and, therefore, of course, demand, always in black and yellow, with the result, black is a small value on the market until ten years later, when it became popular in Europe Largely thanks to his popularity with the French Queen Eugenie, then at the height of his power.
The queen, the story of the black pearl owe much of their high rank in the fashion world in the nineteenth century, and in their heads like a king, royal jewels used, as is clear from Winterhalter painting, showing magnificent necklace.
About 1845, the black pearl that comes on the market Tuamotu Archipelago and South Sea islands, and raised the industry on the coast of Mexico. Pearls of the region is famous for the variety of colors, and especially for very dark tones pearl, black pearl or greenish black pearl to be very important.
But the black pearl in the fashion and, therefore, of course, demand, always in black and yellow, with the result, black is a small value on the market until ten years later, when it became popular in Europe Largely thanks to his popularity with the French Queen Eugenie, then at the height of his power.
The queen, the story of the black pearl owe much of their high rank in the fashion world in the nineteenth century, and in their heads like a king, royal jewels used, as is clear from Winterhalter painting, showing magnificent necklace.
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