An artefact ship can move through water without disturbing it as if it were part of the water itself. As the vessel is inhabited by a water elemental or bonded to the anima of a Terrestrial Exalted this is actually true. A vessel of frost jade can move as easily over the frozen sea as snow over ice. A vessel of fire jade can travel through rivers of burning rock.
   Earth jade is extraordinarily hard and requires age of strenuous hammering to craft it into shape. It's far stronger than most tools used to craft it as a result they have to be repaired or replaced frequently. Jade can survive any condition of it's Elemental Pole. It was intended to be the bodies of elementals.
   Artefacts made from jade are the houses of elementals. The Dragon-Blooded are representations of the living things of Creation just as they are descended from their forebears. Their artefacts aren't just objects but living weapons.

Jade

    What if Jade is made directly from a transformed Elemental? The dragon-blooded's affinity with that element makes it easier to craft than other Exalted. Making an artefact from one of the magical materials should be a genuinely supernatural process not simply a physical or alchemical one. Orichalcum is naturally molten as it is always found in lava.

Jade

    Jade looks like a pure element. Fire jade looks like pure fire. Combined with a flammable esoteric ingredient. Sometimes it looks like eternally burning fire, at others it looks like hard but still molten rock.
   Water jade keeps it's fluid nature. Does it need to be combined with a material that can make it solid or keep it liquid.