怎样辨识玉器旅游纪念品薛志成旅游者往往爱选购玉器首饰作为旅游纪念品，那么怎样辨别玉石的质量呢？玉，主要有硬玉和软玉两种。硬玉是钠和铝的硅酸盐，如含铬为主的会呈绿色（翠色），含铁为主的会呈红色（翡色）。软玉只有白色（羊脂色）、暗绿色、墨绿色（墨色）。软... How to identify jade tourist souvenirs Xue Zhicheng tourists often love to buy jade jewelry as a souvenir, then how to identify the quality of jade? Jade, there are two main jade and jadeite. Jadeite is a silicate of sodium and aluminum, such as chromium-based will be green (Cuise), iron-based will be red (Fei color). Nephrite only white (sheep fat color), dark green, dark green (ink color). soft...