Crystal is a common mineral with valuable electrical and optical properties. People have long beleived in its healing powers, and it's still thought capable of divine and clairvoylant inspiration. The color could be white, smoky, green, rose,yellow, and purple. Onyx is a type of opaque chalcedony that comes in varies colors. Black onyx is most popular stone in the market today.
Red onyx is most beautiful and rare onyx in the market.
Blue onyx is most unual onyx. Onyx is long considered as a treasure in Tibet area and Arab area. Amber is a type of opaque stone that comes in varies colors. They are generated ten thousand years ago, thereis some life style like spider inside the stone, very unique. Machalite is a type of green stone that sounds popullar in the market.