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Title:      Necklace.
General:    This necklace is made from hollow constructed sterling silver
            bones, joined by sterling silver and 24 K Gold spheres. The
            pendant is made from a Proto Chercharodon Tooth, a Miocene era
            Shark Tooth, set in sterling silver and 24 K Gold.
Material:   Sterling Silver, 24K Gold.
Gem:        Proto Chercharodon Shark Tooth (miocene era).
Method:     Hollow Constructed.
Finish:     Burnished, Furred, the bones are Blackened.
Mechanics:  The catch is a Magnetic type.
Designer:   W.van Heeckeren.
Craftsman:  W.van Heeckeren.

Availability:   This Necklace is currently available.

Price:      AUS $ 8000.00.












STERLING SILVER.


        STERLING SILVER is a binary Silver alloy consisting of:
                        925 parts/1000 Pure Silver and
                        75 parts/1000 Pure Copper.
 Annealing temperature: 750 degrees Celsius.
   Melting Temperature: 950 degrees Celsius.

                                                    Wal.













24K GOLD.


               24 K GOLD is a pure precious metal:
                        1000 parts/1000 Pure GOLD.
 Annealing temperature: 800 degrees Celsius.
   Melting Temperature: 1062 degrees Celsius.

                                                    Wal.














FURRING.


        FURRING is achieved by using a rat tail file sideways.  In
                        this way the file leaves "furry" parallel grooves
                        in the surface.

                                                  Wal.















BURNISHING.


        Burnishing is an old method of polishing metal. By rubbing
                        the surface of the metal to be polished with a
                        highly  polished piece of steel called a burnisher,
                        the surface itself becomes polished.

                                                    Wal.














ANTIQUING.


        ANTIQUING is a method of surface colouring, so called
                        because Silver blackens with age, and in the
                        presence of sulphur, if it is not polished.
                            Chemically, tarnishing forms a Silver Sulphide,
                        and in the case of Sterling Silver, a copper
                        sulphide as well.  Silver Sulphide, can be many
                        colours, but the most common is dark grey to black

                                                    Wal.