Assertion: alexandrite | /r/HasProperty | synthetic
Facets:
Source sentences:
text: Many alexandrites are synthetic (lab-grown) and others may be natural 'simulated' gemstones, such as color change garnet, sapphire or spinel.
text: Alexandrite, Certified Gemologist Appraiser, color change synthetic sapphire, Estate Jewelry, gemologists, Padparadscha, Ruby, Sapphire, synthetic corundum, Verneuil, Verneuil process