Assertion: alexandrite | /r/HasProperty | sri lankan origin
Facets:
Source sentences:
text: With report no. 0205439 dated 7 June 2002 from the Gübelin Gem Lab stating that the alexandrite is of Sri Lankan origin
text: CS36015 dated 19 December 2002 from the American Gemological Laboratories stating that the alexandrite is of Sri Lankan origin, no gemological evidence of enhancements/treatments present