JE Questionnaire 1

A gold alloy that contains 75% pure gold is

18K

In the US market, the three main jewelry categories are fine jewelry, fashion jewelry, and

Bridge jewelry

What is the most common gem-setting style?

Prong setting

Sterling silver is an alloy of fine silver and

copper

Which of these is an example of a benefit?

"the earrings are light and comfortable" - A benefit is the value a feature holds for a customer.

Vermeil items must be sterling silver and base coated with gold or gold alloy of 10K or finer. The coating must be at least

2.5 microns thick

An electrochemical process that results in a protective or decorative coating on metal is called

Anodizing

What metal does a goldsmith add to gold to get an alloy with a reddish color?

Copper- Copper with redden gold, silver will give it a green tinge, and nickel or palladium will whiten it.

Which of these metals has the least metal memory?

Platinum

Which of the following polished metals shines most brightly?

Silver - polished silver shines more brightly than any other metal on earth. more than 90% of the light that strikes it is reflected back to the observer's eye.

A mild form of corrosion caused by contact with chemical elements or compounds in the environment is

Tarnish

The factors that make up a precious metal's workability are malleability and

ductile

The heaviness of an object compared to its size is know as its

heft

Metals valued in jewelry, specifically gold, platinum and silver, are known as

precious metals

The maximum stretching force a metal can withstand before breaking is its

tensile strength