It is from Rainbow Mountain of China. It is a landform of reddish sandstone that has been eroded to create magnificent rock formations with gorgeous colours.
The stones on sales is sold as it is (one and only). The real colour of the item may be slightly different form the picture shown on website. This is due to factors such as brightness of the monitor or lighting condition when picture is taken. If no measurement or comparison indicator is shown or mentioned, the size is usually less than 5 by 5 cm.