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Diamonds and Diamond Grading 18
Diamond Simulants
6
Geology
Post-Graduate
11/01/2018

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Term
Diamond Simulant
Definition
any material that is not diamond or synthetic diamond, but which imitates a diamond's appearance and is used in its place
Term
Doublet
Definition
two separate pieces of material fused or cemented together to form a single assembled stone
Term
Foilback
Definition
gemstone or simulant with a thin metallic foil or mirroring film applied to its pavilion
Term
Rhinestone
Definition
a foilbacked, colorless, lead-glass diamond imitation
Term
Separation
Definition
process of distinguishing natural minerals and gems from each other as well as from synthetics, simulants, and treated gems
Term
Thermal Tester
Definition
an instrument that measures thermal conductivity to help separate natural and synthetic diamonds form most simulants
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