Serpentine can be used to attract/manifest what you want into your life--abundance on all levels, prosperity, love, healing, etc.It aligns your intent with the Heart Chakra and Source energy. The name "Serpentine" was given to this stone since many types of Serpentine resemble the color and texture of the serpents scales.
Raw Jade - Jade or "yu" as it is called in China, truly is one name for two separate gems with similar characteristics. The first being Jadeite, the second Nephrite, both are indeed "Jade". It was in 1863 when the two stones were recognized separately. Nephrite is more common, but both are tough, fine-grained rocks, suitable for carving.