An assembled gem (also called a composite gem) is a
gemstone
A gemstone (also called a fine gem, jewel, precious stone, or semiprecious stone) is a piece of mineral crystal which, in cut and polished form, is used to make jewelry or other adornments. However, certain rocks (such as lapis lazuli, opal, ...
made up of other smaller gems. An assembled gem can often be a
fake gem with a desirable piece of gemstone attached to pieces of inexpensive imitation gemstones. For example, a combination of a thin layer of green glass and a colorless piece of
quartz would be a composite gem.
Types
A
doublet is a type of assembled gem which is composed of two parts. A ''false doublet'' is a doublet which is a
glass piece that looks like a real gem and a real gem that have been attached to look like a larger gem.
A triplet is a type of assembled gem composed of three distinct parts.
References
Gemstones
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