你见过美丽的“松脂石”吗?你知道什么是“松脂石”吗?说来有趣,原来它是雨花石中的一种观赏石。最近,南京雨花石研究所的有关专家,对雨花石中的“松脂石”进行了初步研究,现将研究成果简介如下,以飨读者。俗称的“松脂石”主要产在南京地区六合砂砾石层中,这种石头呈松脂黄色、褐黄至棕黄色,质地细腻、均 Have you seen the beautiful “Rosin Stone”? Do you know what is “Rosin Stone”? It is interesting to say that it is a kind of ornamental stone in the stone. Recently, Nanjing Yuhua Institute of the experts, on the stone in the “Rosin ” for a preliminary study, the research results are summarized below, in order to readers. Commonly known as “Rosin ” is mainly produced in the Luhe sand gravel layer in Nanjing, the stone was turquoise yellow, brown yellow to brown, delicate texture, are