Have you ever seen a stone as beautiful as a rainbow? Maybe most people haven't seen it. Because this kind of stone is very rare. As far as I know, in China, only Hubei Huangshi and Guizhou produce colored stones. Especially the colored stones in Huangshi are better.
Yellowstone colored stones occur in the oxidation zone of polymetallic deposits dominated by copper and iron, and often coexist with calcite, limestone, dolomite and quartz. Looking around, small and colorful crystals as big as pepper seeds and fish seeds are densely packed and scrawny and attached to the stone. The crystal light is sparkling, colorful and dazzling. Her strange brilliance is easy to remind people of rainbows after rain. Why are the colored stones in Huangshi so beautiful? It turns out that Huangshi is known as the "cornucopia of the south of the Yangtze River" and is extremely rich in mineral resources. Ferrous metals include iron and manganese, nonferrous metals include copper, tungsten, molybdenum, zinc, lead, cobalt and nickel, precious metals include gold and silver, and rare elements include germanium, gallium, thallium, indium, selenium, strontium, rhenium and tellurium. Most of the mineral deposits in Huangshi are polymetallic. A series of chemical changes will take place in the part near the surface under the action of external factors such as sun and rain, and colorful and beautiful colors are the result of this long-term change. The more metallic and nonmetallic components are contained in the ore, the richer and brighter its color is. According to the determination, the specific gravity of Huangshi colorful stone is 3.3-4, and the hardness varies with the mineral composition, and the highest is 5-6.
It should be noted that the production of colored stones in Huangshi is not much. Only at the end of last century did some mines produce this kind of stone. Because of its high ornamental value, collectors from Hong Kong, Macao and Taiwan and European and American countries are ecstatic and buy in large quantities. Now this kind of ornamental stone is rare in the local area, and can only be found on the antique shelves of some stone appreciators.