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The pearl industry in Hyderabad flourished due to the patronage of the Qutub Shahi kings and the Asaf Jahis, who were said to have an affinity for sparkling jewels. [1] The pearls were not only part of the traditional regalia of this royal clientele but the pearls' crushed form are also believed to have healing and beautifying properties.
The pearl was an incredible invention of nature and was considered a symbol of nature's perfection and purity. It has been valued for its medicinal properties in preventing heart failure and treating fertility issues. Some lapidaries state that pearls and corals were vital in purifying the blood in the body. [14]
Pearls are irradiated to produce gray blue or gray-to-black colors. [22] Methods of using a cobalt-60 gamma ray facility to darken white Akoya pearls were patented in the early-1960s. [29] But the gamma ray treatment does not alter the color of the pearl's nacre, therefore is not effective if the pearl has a thick or non-transparent nacre. [29]
The kahuna would also train students in the practice of praying, fasting, and medicinal healing using the neighboring plants. The reputed healing powers of the surrounding plants still draws visitors who leave temple offerings, hoping to experience medicinal benefits. [8] Most of the trees in the area were replanted during the early 20th century.
The original Japanese cultured pearls, known as akoya pearls, are produced by a species of small pearl oyster, Pinctada fucata martensii, which is no bigger than 6 to 8 cm (2.4 to 3.1 in) in size, hence akoya pearls larger than 10 mm in diameter are extremely rare and highly priced. Today, a hybrid mollusk is used in both Japan and China in the ...
Pearls are a gemstone that is commonly treated with hydrogen peroxide to remove unwanted colours Another treatment method that is commonly used to treat gemstones is bleaching. This method uses a chemical in order to reduce the colour of the gem.
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In the New Testament, pearls are mentioned in Matt., xiii, 45, 46; I Tim., ii, 9; etc. Pearl is a concretion consisting chiefly of lime carbonate found in several bivalve molluscs, but especially in avicula margaritifera. Generally, it has a whitish blue hue, sometimes showing a tinge of pink; but there are also yellow pearls.