Ruyuan colored stone is produced in Yaoshan, Ruyuan Yao Autonomous County, Guangdong Province. Ruyuan colored stone has become a brilliant flower in the stone appreciation field at home and abroad because of its endless changes, colorful colors and poetic texture. According to legend, this strange stone is the one used to fill the sky in The goddess patching the sky. She filled the sky with a unique colorful stone, and inadvertently lost a piece, which fell on Yaoshan Mountain in Ruyuan. At that time, colorful clouds appeared in the sky. So now the colored stones produced by Ruyuan are colorful, like colorful clouds and seven-color rainbows. A colored stone is a painting, which is like a landscape, a flower and a bird, and a figure, giving people endless reverie; A colored stone is a poem, which is picturesque, lyrical, vivid and abstract; Rich colors are like western oil paintings, and elegant colors are like China ink paintings; It can be described as superb and ingenious. Most players who have seen Ruyuan colored stone are dumbfounded and amazed by its wonder and uniqueness, and marvel at the wonders of nature.
Ruyuan colored stone integrates all kinds of natural colors, and its color richness and diversity are unparalleled by any ornamental stone at present. Ruyuan colored stone was once called Ruyuan colored jade, because its parent rock was mixed with lava rich in various metal ions, and gradually cooled under the conditions of high temperature and high pressure to form mudstone, which was formed after tectonic movement metamorphism. Its original rock was silicified by shallow metamorphism, and its hardness was 3 to 6 degrees, and some reached 7 degrees, and the rock was moist as jade.
According to the survey of Guangdong Geology and Mineral Resources, the Ira_0.2 (internal irradiation index) and Ir_0.3 (external irradiation index) of Ruyuan colored stone are far less than 1, so it is a very environmentally-friendly and safe ornamental stone, which can be safely collected and enjoyed by Ruyuan colored stone.
The protection scope of Ruyuan colored stone geographical indication products is the administrative area under the jurisdiction of Ruyuan Yao Autonomous County, Guangdong Province.