How to identify coral necklace

 Coral necklace identification methods:

1. Coral’s knockoffs is marble, pink glass, pink plastic and Ji ErSen synthesis coral, their common characteristics are: they haven’t radiation and concentric structure.

2. The proportion of the coral is 2.65, the proportion of sea tree is 1.37,but the plastic is only 0.95, therefore, use your hand to feel, because coral’s proportion is heavier than them.

3. The dyeing coral of color is very dull, so you can use cotton swabs with alcohol, xylene and acetone to identify.

4. Coral has blister, when it meet hydrochloric acid, so you can use this method to identify. It is very useful to you.

Finally, hope these methods can help you identify the coral necklace in the future.

Do you like this coral choker necklace in the above picture?