1, Alashan almond agate is a kind of strange stone, which was cooled by the magma ejected from the Gobi volcano in Alashan League, Inner Mongolia. Rich in color, Alashan in Mongolian means: colorful. Colors are yellow, blue, black and white.

2. At present, most of the green agates on the market are artificially colored, with strong green color and bright color. Most of the natural ones are impure green, dark green and brownish green. Artificial colored green agate, like jadeite, is usually mistaken for chrysotile.