Blue Goldstone is a man-made stone. It's sparkle comes from flecks of copper.
In crystal healing it is said to be the stone of confidence and ambition, encouraging motivation and drive. It has a positive attitude; it is an uplifting stone. Goldstone is said to promotes vitality.
In physical healing it has the same attributes as copper helping soothe conditions of the joints and reducing stomach complaints stemming from anxiety.
Blue is always associated with the throat chakra.