古城南京郊区的六合县许多农民通过互联网发布信息,将当地盛产的雨花石卖到全国各地。雨花石,是玛瑙的别支,亦称“雨花玛瑙”。雨花玛瑙,色彩艳丽、晶莹斑斓,是石中精品。古都南京的雨花台素以产石著称,所以这种玛瑙就俗称雨花石。雨花石是由长江将上游的玛瑙石经过长时间的冲击磨擦而逐渐形成的, Many farmers in Liuhe County, an outskirt of the ancient city of Nanjing, published information through the Internet and sold the locally-produced Yuhua Stone to all parts of the country. Yuhuashi is another branch of agate, also known as “Yuhuan agate.” Rain flower agate, colorful, crystal gorgeous, is a stone boutique. Yuhuatai, the ancient capital of Nanjing, is famous for producing stone, so this agate is commonly called a stone. Yuhua Stone is gradually formed by the Yangtze River and the upper agate stone after a long period of impact friction.