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III. True or False?

1. German silver is not silver.
    True False
2. "CZ" is a synthetic diamond.
    True False
3. A Japanese copper/gold alloy is called shakudo.
    True False
4. Most Scottish jewelry was silver and very popular stones were quartz gems.
    True False
5. Jewelry has been made from hair, feathers, teeth/claws, rubber, and insects.
    True False
6. Whitby jet jewelry was used as mourning jewelry.
    True False
7. Granulation of gold was first done by the Romans.
    True False
8. Twelve-gauge silver wire is smaller in diameter than 16-gauge.
    True False
9. A charcoal block is often used as a soldering base.
    True False
10. Liver of sulfer is used to oxidize silver.
    True False
11. 10K white gold has a higher melting point than 18K yellow gold.
    True False
12. A wax model for casting is mounted on a sprue and invested in plaster of Paris.
    True False
13. There are five carats to a gram.
    True False
14. Diamond has the highest refractive index of any gem material.
    True False
15. Most transparent gemstones and many translucent and opaque gem materials have been treated by heat or another enhancing process.
    True False
16. South Sea cultured pearls are among the most expensive beads.
    True False
17. Niello is a black alloy used for inlay in silver.
    True False
18. A gypsy ring setting has soldered prongs.
    True False
19. Researchers say the earliest jewelry was made of talc or soapstone.
    True False
20. A matte finish must be mechanically produced.
    True False



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Jewelry Quiz - Matching | Jewelry Quiz - True False
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