The common knowledge of agate
It is said that the shape of agate like the brain of the horse, so it is called Manao in China. From the ancient times, the agate is popular with people, it is one of the seven precious in ancient time.
The agate generally translucent to transparent. Its rigidity is from 6.5 to 7, specific gravity is from 2.55 to 2.91, refractive index is from 1.535 to 1.539. Agate has long history. It is one of the earliest gem materials people used. In the each stratum of the geologic history, regardless of the igneous rock or the sedimentary rock can form agate, so the agate is rich. The distribution of agate in our country is very widely. Almost exist in each province. The mainly distribution is in Heilongjiang, Liaoning, Hubei, etc. in the world the entire Europe North America and the Southeast Asia is rich in agate, the most famous original are India, Brazil. etc.
The color of agate
red agate ,blue agate, purple agate, green agate, black agate, white agate, etc. The red agate is the most precious.
Legend about agate
In olden days, when Aphrodite the goodness of love and beauty lay down and slept soundly in the shade of trees, her son Eros god of love cut down her sparkling nail secretly, and flew into the sky with the nail happily. When he was flying in the sky, the nail fell down accidentally, but the nail turned into stone, the stone was the agate. So some people think that in possession of agate can strengthen the love.
In the myths of Japan, jade ancestor dedicated the agate to the god Amaterasu, that was a moon shape green jade, it was also one of three Japanese magical instruments.
