Assignment 5 with Complete
Solutions
natural, synthetic - ANSWER - Knowing whether a gem is ____________ or
_____________ is crucial when buying or selling colored stones.
imitations - ANSWER - What can be made of a variety of materials, including natural
or synthetic versions of other gems?
process - ANSWER - The __________ used to produce a synthetic gem can determine
its value.
melt, solution - ANSWER - Most synthetic gem crystals are produced by these two
processes...
solution process - ANSWER - Are melt or solution processes generally slower and
more expensive?
solution process - ANSWER - What process can synthesize gems that closely
resemble natural gems?
internal and external characteristics - ANSWER - What two things can help trained
observers separate natural from synthetic gems?
gemologists - ANSWER - Who plays an important role in ensuring that disclosure
become the industry standard?
flame fusion - ANSWER - A process in which powdered chemicals are dropped
through a high-temperature flame onto a rotating pedestal to produce a synthetic
crystal.
, floating zone - ANSWER - A melt process where a heating unit passes over a rotating
solid rod of chemicals until it forms a synthetic crystal.
flux growth - ANSWER - A process in which nutrients dissolve in heated chemicals
then cool to form synthetic crystals.
flame fusion - ANSWER - A process in which powdered chemicals are dropped
through a high-temperature flame onto a rotating pedestal to produce a synthetic
crystal.
floating zone - ANSWER - A melt process where a heating unit passes over a rotating
solid rod of chemicals until it forms a synthetic crystal.
flux growth - ANSWER - A process in which nutrients dissolve in heated chemicals
then cool to form synthetic crystals.
assembled stone - ANSWER - Two or more separate pieces of material joined to form
a unit.
boule - ANSWER - A cylindrical synthetic crystal produced by the flame-fusion
process.
ceramic process - ANSWER - A process in which finely ground powder is heated,
sometimes under pressure to produce a fine-grained solid material.
disclosure - ANSWER - Clearly and accurately informing customers about the nature
of the goods they buy.
doublet - ANSWER - Two separate pieces of material fused or cemented together to
form a single assembled stone.
synthetic - ANSWER - A laboratory-created gem with essentially the same chemical
composition, crystal structure, and properties as its natural counterpart is a(n)...