Is this natural agate stone? Market price 1. 1 ten thousand. Is it worth starting with?

Judging from your picture, this is a natural agate stone. As for this price, it's hard to say because it belongs to the collection, so I can only say that it's worth it if I like it.

Agate, also known as agate, Kate Ma and agate, is a kind of chalcedony mineral. It is usually a banded rock block mixed with opal and aphanitic. Its hardness is 6.5-7 degrees, its specific gravity is 2.65, and its color is quite layered. Translucent or opaque. The primitive form of tripartite crystal system.