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http://www.bjbead.com/coral/792.html
Jun 16, 2010 · Wearing coral is become more and more popular, so many people want to buy them for their teachers or friends or parents or others, but when they buy it, you don’t know which real coral, so the following is about how to Identify genuine and fake coral gemstone jewelry . 1. If the coral is faked, you will find that there is an obvious vertical texture, color, single, and more important is: it gives a feeling …
http://www.bjbead.com/coral/coral-identification/
2010-07-12 14:22:58. Red coral is a name used to encompass multiple reddish colored corals. Used in the gem business, the colors of red coral range from pink and salmon to the now rarest color, a rich red, this color comes from carotenoid pigments. Viewed: 252.
https://www.leaf.tv/articles/how-to-tell-if-coral-jewelry-is-real/
The first step in determining if a piece of jewelry is real or fake is its weight. Real coral jewelry is heavier than imitations. Put your jewelry piece in a small ceramic bowl and cover it with cow's milk. Leave the jewelry in the milk at room temperature for 1 to 2 hours.
https://www.wirejewelry.com/jewelry-making-blog/2434/testing-real-coral/
Jun 16, 2010 · Most of the affordable coral on the jewelry maker’s market today, including much of Wire-Sculpture’s coral beads and coral cabs, is 100% legal bamboo coral, and comes from the Philippines. This is a type of coral, not a type of bamboo! Bamboo coral’s natural color is gray, which means that most of the red coral available today has been dyed.Estimated Reading Time: 2 mins
https://www.eredijovon.com/en/blog/news/italian-red-coral-jewelry-genuine-how-to-recognize--n12
May 28, 2017 · Genuine Italian red coral jewelry: four things to do to recognize it. Look carefully at the little balls of a necklace: the pearl must have imperfections! Real Coral is not perfect, plastic is! Rough coral resembles a transversally cut tree that shows the concentric circles of repeated settlements.
https://oureverydaylife.com/tell-coral-jewelry-real-14940.html
Authentic coral comes in pink, dark red and orange, and red coral is considered to be the most precious of all. Coral also exists in colors like violet, black, brown and blue, some of which are more common than you might think. Lemon Juice and Calcium Carbonate One way to test your coral item is to see how it reacts with acid.Author: Alexandra Early
https://www.thebeadtraders.com/blogs/news/natural-dyed-coral-beads-how-to-spot-the-difference
Jun 03, 2019 · Whether you just received or are looking to gift a coral piece of jewelry, there are multiple ways to determine whether it is as valuable as it seems. How is coral formed? Coral is developed deep in the ocean and originates from living organisms, called coral polyps. As the coral polyps die, their skeletons harden into branch-like structures that range up to 15 inches tall.
https://www.gemstoneuniverse.com/which-tests-to-identify-real-red-coral-from-fake-coral.php
Real Organic Red Corals Section from the Gemstoneuniverse exhibit at the Bangkok Gem and Jewelry Fair Chemical tests for a Red Coral Since Coral is made up of Calcium Carbonate it will react with HCL (Hydrochloric Acid) to give a effervescent bubbling action.
https://www.youtube.com/watch?v=g9XYpz2a5nQ
Jun 30, 2015 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators ...Author: Ang Gru
https://www.doc.govt.nz/documents/conservation/marine-and-coastal/fishing/coral-id-guide-updated.pdf
distinguished from black coral colonies (Parantipathes and others) by the lustre (metallic) or colour of the axis (orange, brown, green), and armoured bud-like polyps …
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