Diamond simulant
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A diamond simulant, diamond imitation or imitation diamond is an object or material with gemological characteristics similar to those of a diamond. Simulants are distinct from synthetic diamonds, whic
Its low cost and close visual likeness to diamond have made cubic zirconia the most gemologically and economically important diamond simulant since 1976.
Rutile
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Rutile is an oxide mineral composed of titanium dioxide, the most common natural form of TiO2. Rarer polymorphs of TiO2 are known, including anatase, akaogiite, and brookite.
Rutile in quartz
Milled rutile
Acicular crystals of rutile protruding from a quartz crystal