Agate

Agate is a kind of chalcedony mineral. Often used as jewelry, such as bracelets, pendants, and earrings. And because of the rich patterns and colors of agate, there is a saying of "thousands of agate". 
 

Common agate species
Black agate, water grass agate, blue agate, aquarium agate, red agate, green agat, purple agate, blue agate 

Origin
The famous agates in the world are from: China, India, Brazil, Madagascar, the United States, Egypt, Australia, Mexico and other countries. Mexico, the United States and Namibia also produce agate with lace-like stripes called "lace agate." China's agate production area is also widely distributed, almost all provinces. 

Identification method 
-Color: Real agate color is bright and distinct, the strip pattern is very obvious 
-Texture: Real agate generally has stripes and is more natural 
-Transparency: True agate transparency is not as high as synthetic transparency, while synthetic agate is transparent like a glass sphere. 
-Weight: Real agate jewelry is heavier than synthetic agate jewelry. 

Maintenance 
Be careful not to collide with hard objects or drop them. When not in use, they should be stored in a soft jewelry box. 
Try to avoid contact with perfume, chemical liquid, soap or human sweat to prevent erosion and affect the vividness of agate. 

Efficacy 
Buddhism Tantra believes that agate is a strange stone that can communicate with the gods. It can exorcise evil spirits and protect the body. 
Agate is one of the seven treasures of Buddhism. It has been used as a talisman since ancient times, symbolizing love and hope. 
Balance positive and negative energy to eliminate stress and negative energy. 
Maintain harmony between body and mind. 
Can stimulate courage and bring confidence. 

Black Onyx
Black agate is a natural gemstone containing a variety of organic matter. It is made of natural agate and has a black substance. The black agate is tough and is a symbol of perseverance. Scholars regard black agate as the "third eye" in gems, symbolizing love and representing hope. Black onyx is also called the stone of longevity, which promotes happiness and prosperity. Can bring good luck, helps relieve stress and strengthen courage and increase people's self-confidence.