The picture you uploaded is good, like a flying dragon, which can be used as a landscape stone collection.

You can see whether the color of the stone is bright, transparent and moist ... Of course, it is not impossible to find agate original stone and timely rock jade;

Strange stones pay attention to shape, grain, quality and color, that is to say, it depends on whether the shape is strange, the pattern is beautiful, the texture is jade, and the color is beautiful. Collect according to these points. The rarer these points are, the higher his artistic value is. I hope I can help you.