Natural inclusions, domestic jewelry testing industry will also have the expression of "visible inclusions" and "natural inclusions". \x0d\ In fact, inclusion and natural inclusion are just a lexical problem, which has nothing to do with authenticity. As long as the legal appraisal department issues you an appraisal certificate, you can identify it as genuine. In gemology, amber inclusions refer to bubbles, streamline, insect or animal and plant fragments and other organic and inorganic inclusions that can be seen when amber is examined under magnification. \x0d\ "with natural inclusions \", strictly speaking, this expression is extremely serious. It should be expressed as: anything wrapped in amber can be described with natural bubbles or natural streamline, or with natural insects, or with natural animal or plant fragments, and it is impossible to include all these in an amber. \x0d\ Amber English is Amber, which means "essence". In ancient China, amber was also called "amber". Amber is the resin of ancient plants, which is buried underground and formed by crustal movement. It usually contains bubbles and the remains of insects and plants. Amber Amber is a hydrocarbon containing succinic acid and amber resin. Most of the colors are yellow, orange, brown, brownish yellow or dark red, and light green, yellow and lavender varieties are extremely rare. Grease luster, transparent to translucent.